Update Gerrit API to 2.16-rc1

Change-Id: I48215db8a94e1e7a23777473054d418fa91a7504
diff --git a/gerrit_api.bzl b/gerrit_api.bzl
index 696992d..5504063 100644
--- a/gerrit_api.bzl
+++ b/gerrit_api.bzl
@@ -5,7 +5,7 @@
 gerrit_api is rule for fetching Gerrit plugin API using Bazel.
 """
 
-VER = "2.16-rc0"
+VER = "2.16-rc1"
 
 def gerrit_api():
     bouncycastle_repos()
@@ -13,18 +13,18 @@
     maven_jar(
         name = "gerrit_plugin_api",
         artifact = "com.google.gerrit:gerrit-plugin-api:" + VER,
-        sha1 = "49d564c6d81f4a7adf800edd7848f3eec46cf9ec",
+        sha1 = "15401158cea973069517689971952db65db06266",
     )
     maven_jar(
         name = "gerrit_plugin_gwtui",
         artifact = "com.google.gerrit:gerrit-plugin-gwtui:" + VER,
-        sha1 = "0d3c40699c1ef4a8fa47a9f53d83302c00c8f174",
+        sha1 = "bdd8f0e940a8b34305b2a59b2f54cfcee179acb3",
         exclude = ["com/google/gwt/*"],
     )
     maven_jar(
         name = "gerrit_acceptance_framework",
         artifact = "com.google.gerrit:gerrit-acceptance-framework:" + VER,
-        sha1 = "71a51c681225b6a88c4ab36c6ac70b01033d32a3",
+        sha1 = "12c6385a824b1b9df00130270d318cd5f4869733",
     )
     native.bind(
         name = "gerrit-plugin-api",