Build the go-import plugin on stable-2.16

Change-Id: I24cbc026aff1d671f68c3792580f0b5d61822a87
diff --git a/jenkins/gerrit-buck-bazel-plugin-go-import.yaml b/jenkins/gerrit-buck-bazel-plugin-go-import.yaml
index bac301f..d42e079 100644
--- a/jenkins/gerrit-buck-bazel-plugin-go-import.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-go-import.yaml
@@ -8,5 +8,6 @@
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-2.16
             - stable-2.15
-            - stable-2.14
\ No newline at end of file
+            - stable-2.14