Upgrade Gerrit API to 3.1.11

Change-Id: I4b27d8b526f890959292c832f3667d8476be5063
diff --git a/gerrit_api.bzl b/gerrit_api.bzl
index bc55c0c..0016cb1 100644
--- a/gerrit_api.bzl
+++ b/gerrit_api.bzl
@@ -7,9 +7,9 @@
 gerrit_api is rule for fetching Gerrit plugin API using Bazel.
 """
 
-def gerrit_api(version = "3.1.10",
-               plugin_api_sha1 = "dc1d345e245f91f61b39e02e541f3d3fd0c70605",
-               acceptance_framework_sha1 = "93d7af88930fc399cec07c649272b996e744c39f"):
+def gerrit_api(version = "3.1.11",
+               plugin_api_sha1 = "13b7ac52998a0f7eb705224fa13cb4acf6323c8c",
+               acceptance_framework_sha1 = "6420b052a708a9da1b60924f8f4c50b5e8b31256"):
     gerrit_api_version(
         name = "gerrit_api_version",
         version = version,