Add bazel build for avatars-external plugin

Change-Id: I4426a30e8e03374f76c83da2ff847356e47eb893
diff --git a/jenkins/gerrit-buck-bazel-plugin-avatars-external.yaml b/jenkins/gerrit-buck-bazel-plugin-avatars-external.yaml
new file mode 100644
index 0000000..ca9413a
--- /dev/null
+++ b/jenkins/gerrit-buck-bazel-plugin-avatars-external.yaml
@@ -0,0 +1,9 @@
+- project:
+    name: avatars-external
+    jobs:
+      - 'plugin-{name}-{branch}':
+          branch:
+            - stable-2.13
+      - 'plugin-{name}-bazel-{branch}':
+          branch:
+            - master
diff --git a/jenkins/gerrit-buck-plugin-avatars-external.yaml b/jenkins/gerrit-buck-plugin-avatars-external.yaml
deleted file mode 100644
index ae8d99a..0000000
--- a/jenkins/gerrit-buck-plugin-avatars-external.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-- project:
-    name: avatars-external
-    branch:
-      - master
-      - stable-2.13
-    jobs:
-      - 'plugin-{name}-{branch}'
-