chore: migrate graalvm jobs to kokoro instance pools

Author: mpeddada1

.kokoro/presubmit/common.cfg

@@ -23,12 +23,3 @@ env_vars: {
   key: "JOB_TYPE"
   value: "test"
 }
-
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "dpebot_codecov_token"
-    }
-  }
-}

.kokoro/presubmit/graalvm-native-a.cfg

@@ -1,10 +1,6 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-# Configure the docker image for kokoro-trampoline.
-env_vars: {
-  key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_a:1.11.3"
-}
+build_file: "google-auth-library-java/.kokoro/build.sh"
 
 env_vars: {
   key: "JOB_TYPE"
@@ -47,3 +43,7 @@ env_vars: {
   value: "gcloud-devel"
 }
 
+container_properties {
+  docker_image: "us-docker.pkg.dev/java-graalvm-ci-prod/graalvm-integration-testing/graalvm_a:1.12.0"
+}
+

.kokoro/presubmit/graalvm-native-b.cfg

@@ -1,10 +1,6 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-# Configure the docker image for kokoro-trampoline.
-env_vars: {
-  key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_b:1.11.3"
-}
+build_file: "google-auth-library-java/.kokoro/build.sh"
 
 env_vars: {
   key: "JOB_TYPE"
@@ -46,3 +42,7 @@ env_vars: {
   key: "GOOGLE_CLOUD_QUOTA_PROJECT"
   value: "gcloud-devel"
 }
+
+container_properties {
+  docker_image: "us-docker.pkg.dev/java-graalvm-ci-prod/graalvm-integration-testing/graalvm_b:1.12.0"
+}

renovate.json

@@ -18,7 +18,7 @@
       "fileMatch": [
         "^.kokoro/presubmit/graalvm-native.*.cfg$"
       ],
-      "matchStrings": ["value: \"gcr.io/cloud-devrel-public-resources/graalvm.*:(?<currentValue>.*?)\""],
+      "matchStrings": ["docker_image: \"us-docker.pkg.dev/java-graalvm-ci-prod/graalvm-integration-testing/graalvm.*:(?<currentValue>.*?)\""],
       "depNameTemplate": "com.google.cloud:google-cloud-shared-config",
       "datasourceTemplate": "maven"
     }