chore: release gapic-generator-java v1.0.12 (#896)

Committer: @miraleung
PiperOrigin-RevId: 378718217

Source-Author: Google APIs <noreply@google.com>
Source-Date: Thu Jun 10 13:08:49 2021 -0700
Source-Repo: googleapis/googleapis
Source-Sha: 08c4eeb531c01ad031134dca94b18e3f7dd35902
Source-Link: googleapis/googleapis@08c4eeb

google-cloud-bigquerydatatransfer/src/main/java/com/google/cloud/bigquery/datatransfer/v1/stub/DataTransferServiceStubSettings.java

@@ -492,6 +492,11 @@ public static String getDefaultEndpoint() {
     return "bigquerydatatransfer.googleapis.com:443";
   }
 
+  /** Returns the default mTLS service endpoint. */
+  public static String getDefaultMtlsEndpoint() {
+    return "bigquerydatatransfer.mtls.googleapis.com:443";
+  }
+
   /** Returns the default service scopes. */
   public static List<String> getDefaultServiceScopes() {
     return DEFAULT_SERVICE_SCOPES;
@@ -725,6 +730,8 @@ private static Builder createDefault() {
       builder.setCredentialsProvider(defaultCredentialsProviderBuilder().build());
       builder.setInternalHeaderProvider(defaultApiClientHeaderProviderBuilder().build());
       builder.setEndpoint(getDefaultEndpoint());
+      builder.setMtlsEndpoint(getDefaultMtlsEndpoint());
+      builder.setSwitchToMtlsEndpointAllowed(true);
 
       return initDefaults(builder);
     }

synth.metadata

@@ -11,15 +11,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigquerydatatransfer.git",
-        "sha": "d7111833805ac3bb994efd04928f2ce00858e240"
+        "sha": "41da1a64c70ac439132cae2bc4ea515f11af01e9"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "9e3105549a35520f215359065c11e8dce15e18af",
-        "internalRef": "378266372"
+        "sha": "08c4eeb531c01ad031134dca94b18e3f7dd35902",
+        "internalRef": "378718217"
       }
     },
     {