Update Gerrit API to the final 3.1.0 release

Change-Id: I3371e29f45c934695d82b0d8b5d872c69ec798ea
diff --git a/gerrit_api.bzl b/gerrit_api.bzl
index f662b35..2de9357 100644
--- a/gerrit_api.bzl
+++ b/gerrit_api.bzl
@@ -6,7 +6,7 @@
 gerrit_api is rule for fetching Gerrit plugin API using Bazel.
 """
 
-VER = "3.1.0-rc3"
+VER = "3.1.0"
 
 def gerrit_api():
     bouncycastle_repos()
@@ -15,12 +15,12 @@
     maven_jar(
         name = "gerrit_plugin_api",
         artifact = "com.google.gerrit:gerrit-plugin-api:" + VER,
-        sha1 = "9f66d634e4eec96dbbbbd7b64f1d7e4f2b262cfd",
+        sha1 = "85e2d18be184a982d83ee418d0f2d876c93b1bbc",
     )
     maven_jar(
         name = "gerrit_acceptance_framework",
         artifact = "com.google.gerrit:gerrit-acceptance-framework:" + VER,
-        sha1 = "41838d89aa8518fa97434f203d7c46370b40da1e",
+        sha1 = "62c290b664369c27de386fee97684c6be539ca74",
     )
     native.bind(
         name = "gerrit-plugin-api",