Build/test owners on Java 11 for stable-3.3 onwards

Change-Id: If014eeb6cf3cd130a2f25f592fa6d32408bd4c8e
diff --git a/jenkins/gerrit-bazel-build-owners-plugin-branch.sh b/jenkins/gerrit-bazel-build-owners-plugin-branch.sh
index 8f1cd46..88acbf4 100644
--- a/jenkins/gerrit-bazel-build-owners-plugin-branch.sh
+++ b/jenkins/gerrit-bazel-build-owners-plugin-branch.sh
@@ -1,6 +1,13 @@
 #!/bin/bash -e
 
-. set-java.sh 8
+case "{branch}" in
+  stable-2.16|stable-3.2)
+    . set-java.sh 8
+    ;;
+  *)
+    . set-java.sh 11
+    ;;
+esac
 
 git checkout -fb {branch} gerrit/{gerrit-branch}
 git submodule update --init
diff --git a/jenkins/gerrit-bazel-build-owners-plugin.sh b/jenkins/gerrit-bazel-build-owners-plugin.sh
index a8e29dc..333e83b 100644
--- a/jenkins/gerrit-bazel-build-owners-plugin.sh
+++ b/jenkins/gerrit-bazel-build-owners-plugin.sh
@@ -1,6 +1,13 @@
 #!/bin/bash -e
 
-. set-java.sh 8
+case "{branch}" in
+  stable-2.16|stable-3.2)
+    . set-java.sh 8
+    ;;
+  *)
+    . set-java.sh 11
+    ;;
+esac
 
 git checkout -fb {branch} gerrit/{branch}
 git submodule update --init