chore: Move the Java tests to run inside JDST (#628)

* Move the Java tests to run inside JDST

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* Add owlbot exclusions

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.kokoro/nightly/integration.cfg

@@ -13,12 +13,12 @@ env_vars: {
 # TODO: remove this after we've migrated all tests and scripts
 env_vars: {
   key: "GCLOUD_PROJECT"
-  value: "gcloud-devel"
+  value: "java-docs-samples-testing"
 }
 
 env_vars: {
   key: "GOOGLE_CLOUD_PROJECT"
-  value: "gcloud-devel"
+  value: "java-docs-samples-testing"
 }
 
 env_vars: {

.kokoro/presubmit/graalvm-native.cfg

@@ -14,12 +14,12 @@ env_vars: {
 # TODO: remove this after we've migrated all tests and scripts
 env_vars: {
   key: "GCLOUD_PROJECT"
-  value: "gcloud-devel"
+  value: "java-docs-samples-testing"
 }
 
 env_vars: {
   key: "GOOGLE_CLOUD_PROJECT"
-  value: "gcloud-devel"
+  value: "java-docs-samples-testing"
 }
 
 env_vars: {

.kokoro/presubmit/integration.cfg

@@ -14,12 +14,12 @@ env_vars: {
 # TODO: remove this after we've migrated all tests and scripts
 env_vars: {
   key: "GCLOUD_PROJECT"
-  value: "gcloud-devel"
+  value: "java-docs-samples-testing"
 }
 
 env_vars: {
   key: "GOOGLE_CLOUD_PROJECT"
-  value: "gcloud-devel"
+  value: "java-docs-samples-testing"
 }
 
 env_vars: {

owlbot.py

@@ -21,4 +21,8 @@
     s.move(library)
 
 s.remove_staging_dirs()
-java.common_templates()
+java.common_templates(excludes=[
+    '.kokoro/presubmit/graalvm-native.cfg',
+    '.kokoro/presubmit/integration.cfg',
+    '.kokoro/nightly/integration.cfg',
+])