ci: adjust owlbot-java for monorepo (#1500) (#953)

Source-Link: googleapis/synthtool@48f8857
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:b47e411068ffc6e6990cb4e0802fbac9a4488dec7f5f424553518ba21abea208

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:d4b80feffe1579818cdc39466152e9de95789a193408506cd4a1ffbe8804dc00
-# created: 2022-07-13T13:53:17.676447481Z
+  digest: sha256:b47e411068ffc6e6990cb4e0802fbac9a4488dec7f5f424553518ba21abea208
+# created: 2022-07-26T16:25:31.033836225Z

.github/CODEOWNERS

@@ -6,7 +6,10 @@
 
 # The @googleapis/googleapis-auth is the default owner for changes in this repo
 *                       @googleapis/yoshi-java @googleapis/googleapis-auth
+
+# for handwritten libraries, keep codeowner_team in .repo-metadata.json as owner
 **/*.java               @googleapis/googleapis-auth
 
+
 # The java-samples-reviewers team is the default owner for samples changes
 samples/**/*.java       @googleapis/java-samples-reviewers