chore: Enable Size-Label bot in all googleapis Java repositories (#1381)

.github/.OwlBot.lock.yaml

@@ -13,4 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:b0b1c1c89570e229b1026372a2b8989ba31495007055b8d30178b7648503eefa
+  digest: sha256:fc52b202aa298a50a12c64efd04fea3884d867947effe2fa85382a246c09e813
+# created: 2022-04-06T16:30:03.627422514Z

.github/auto-label.yaml

@@ -0,0 +1,15 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+requestsize:
+  enabled: true