build: split clirr into separate check (#14)

.kokoro/build.sh

@@ -26,6 +26,7 @@ echo ${JOB_TYPE}
 
 mvn install -B -V \
   -DskipTests=true \
+  -Dclirr.skip=true \
   -Dmaven.javadoc.skip=true \
   -Dgcloud.download.skip=true \
   -T 1C
@@ -37,7 +38,7 @@ fi
 
 case ${JOB_TYPE} in
 test)
-    mvn test -B
+    mvn test -B -Dclirr.skip=true
     bash ${KOKORO_GFILE_DIR}/codecov.sh
     bash .kokoro/coerce_logs.sh
     ;;
@@ -48,9 +49,12 @@ javadoc)
     mvn javadoc:javadoc javadoc:test-javadoc
     ;;
 integration)
-    mvn -B ${INTEGRATION_TEST_ARGS} -DtrimStackTrace=false -fae verify
+    mvn -B ${INTEGRATION_TEST_ARGS} -DtrimStackTrace=false -Dclirr.skip=true -fae verify
     bash .kokoro/coerce_logs.sh
     ;;
+clirr)
+    mvn -B clirr:check
+    ;;
 *)
     ;;
 esac

.kokoro/presubmit/clirr.cfg

@@ -0,0 +1,13 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Configure the docker image for kokoro-trampoline.
+
+env_vars: {
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+}
+
+env_vars: {
+  key: "JOB_TYPE"
+  value: "clirr"
+}

synth.metadata

@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-10-18T07:53:59.457042Z",
+  "updateTime": "2019-10-19T07:52:36.038015Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.40.0",
-        "dockerImage": "googleapis/artman@sha256:fd2b49cce3d652929cc80157ec2d91bebe993f7cd4e89afaad80f9c785f8bf36"
+        "version": "0.40.1",
+        "dockerImage": "googleapis/artman@sha256:168646efbffe41e8f8fa86a60fa0d5724fab67fa37f35082cf6cfc85cedce3c7"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "906335b5a958557e1070fc6f275171dc8a42b1ec",
-        "internalRef": "275374583"
+        "sha": "0e9a6d15fcb944ed40921ba0aad2082ee1bc7edd",
+        "internalRef": "275543900"
       }
     },
     {