feat(networkmanagement): update the API

#### networkmanagement:v1beta1
The following keys were added:
- schemas.Binding.properties.bindingId.type
- schemas.LatencyDistribution.description
- schemas.LatencyDistribution.id
- schemas.LatencyDistribution.properties.latencyPercentiles.description
- schemas.LatencyDistribution.properties.latencyPercentiles.items.$ref
- schemas.LatencyDistribution.properties.latencyPercentiles.type
- schemas.LatencyDistribution.type
- schemas.LatencyPercentile.description
- schemas.LatencyPercentile.id
- schemas.LatencyPercentile.properties.latencyMicros.description
- schemas.LatencyPercentile.properties.latencyMicros.format
- schemas.LatencyPercentile.properties.latencyMicros.type
- schemas.LatencyPercentile.properties.percent.description
- schemas.LatencyPercentile.properties.percent.format
- schemas.LatencyPercentile.properties.percent.type
- schemas.LatencyPercentile.type
- schemas.ProbingDetails.properties.probingLatency.$ref
- schemas.ProbingDetails.properties.probingLatency.description

#### networkmanagement:v1
The following keys were added:
- schemas.Binding.properties.bindingId.type

discovery/networkmanagement-v1.json

@@ -591,7 +591,7 @@
       }
     }
   },
-  "revision": "20200820",
+  "revision": "20201029",
   "rootUrl": "https://networkmanagement.googleapis.com/",
   "schemas": {
     "AbortInfo": {
@@ -687,6 +687,9 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."

discovery/networkmanagement-v1beta1.json

@@ -591,7 +591,7 @@
       }
     }
   },
-  "revision": "20201015",
+  "revision": "20201029",
   "rootUrl": "https://networkmanagement.googleapis.com/",
   "schemas": {
     "AbortInfo": {
@@ -687,6 +687,9 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."
@@ -1195,6 +1198,37 @@
       },
       "type": "object"
     },
+    "LatencyDistribution": {
+      "description": "Describes measured latency distribution.",
+      "id": "LatencyDistribution",
+      "properties": {
+        "latencyPercentiles": {
+          "description": "Representative latency percentiles.",
+          "items": {
+            "$ref": "LatencyPercentile"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
+    "LatencyPercentile": {
+      "description": "Latency percentile rank and value.",
+      "id": "LatencyPercentile",
+      "properties": {
+        "latencyMicros": {
+          "description": "percent-th percentile of latency observed, in microseconds. Fraction of percent/100 of samples have latency lower or equal to the value of this field.",
+          "format": "int64",
+          "type": "string"
+        },
+        "percent": {
+          "description": "Percentage of samples this data point applies to.",
+          "format": "int32",
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    },
     "ListConnectivityTestsResponse": {
       "description": "Response for the `ListConnectivityTests` method.",
       "id": "ListConnectivityTestsResponse",
@@ -1537,6 +1571,10 @@
           "$ref": "Status",
           "description": "The details of an internal failure or a cancellation of reachability analysis."
         },
+        "probingLatency": {
+          "$ref": "LatencyDistribution",
+          "description": "One way probing latency distribution. The latency is measured as duration of packet traversal of Google Cloud network, from source to destination endpoint."
+        },
         "result": {
           "description": "The overall reachability result of the test.",
           "enum": [

src/apis/networkmanagement/v1.ts

@@ -166,6 +166,7 @@ export namespace networkmanagement_v1 {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */

src/apis/networkmanagement/v1beta1.ts

@@ -166,6 +166,7 @@ export namespace networkmanagement_v1beta1 {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */
@@ -527,6 +528,28 @@ export namespace networkmanagement_v1beta1 {
      */
     uri?: string | null;
   }
+  /**
+   * Describes measured latency distribution.
+   */
+  export interface Schema$LatencyDistribution {
+    /**
+     * Representative latency percentiles.
+     */
+    latencyPercentiles?: Schema$LatencyPercentile[];
+  }
+  /**
+   * Latency percentile rank and value.
+   */
+  export interface Schema$LatencyPercentile {
+    /**
+     * percent-th percentile of latency observed, in microseconds. Fraction of percent/100 of samples have latency lower or equal to the value of this field.
+     */
+    latencyMicros?: string | null;
+    /**
+     * Percentage of samples this data point applies to.
+     */
+    percent?: number | null;
+  }
   /**
    * Response for the `ListConnectivityTests` method.
    */
@@ -757,6 +780,10 @@ export namespace networkmanagement_v1beta1 {
      * The details of an internal failure or a cancellation of reachability analysis.
      */
     error?: Schema$Status;
+    /**
+     * One way probing latency distribution. The latency is measured as duration of packet traversal of Google Cloud network, from source to destination endpoint.
+     */
+    probingLatency?: Schema$LatencyDistribution;
     /**
      * The overall reachability result of the test.
      */