Merge branch 'stable-3.1'

* stable-3.1:
  Upgrade bazlets to latest stable-2.16 to build with 2.16.18 API
  Bump Bazel version to 3.1.0

Change-Id: Ia7b8019bb657417126fdf2e718074c9ad8aebe03
diff --git a/WORKSPACE b/WORKSPACE
index 6f043ae..bcea268 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "fc1bfdf008c4b07e7cc4214fdacf25560276f9c4",
+    commit = "5c26af9e0374ede4cd67939be972adf6c4cda791",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java b/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java
index b324a2a..52f1f36 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/ratelimiter/RateLimitUploadPackIT.java
@@ -16,7 +16,7 @@
 
 import static com.google.gerrit.testing.GerritJUnit.assertThrows;
 
-import com.google.gerrit.acceptance.GlobalPluginConfig;
+import com.google.gerrit.acceptance.config.GlobalPluginConfig;
 import com.google.gerrit.acceptance.LightweightPluginDaemonTest;
 import com.google.gerrit.acceptance.TestPlugin;
 import com.google.gerrit.acceptance.UseLocalDisk;