Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Upgrade bazlets to latest stable-3.0 to build with 3.0.12 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.22 API

Change-Id: I36a426ebec10729ed6b742646ab50cac66ef01a1
diff --git a/WORKSPACE b/WORKSPACE
index 478c67b..c2c6a47 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "6d2b8f41ed34dad925b767399d1e4be378abb029",
+    commit = "b6cb89690a5e06261932eb30c95fd8db34a7943a",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/changemessage/rest/GetChangeInfo.java b/src/main/java/com/googlesource/gerrit/plugins/changemessage/rest/GetChangeInfo.java
index d7694d9..8cfed27 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/changemessage/rest/GetChangeInfo.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/changemessage/rest/GetChangeInfo.java
@@ -15,6 +15,7 @@
 package com.googlesource.gerrit.plugins.changemessage.rest;
 
 import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.restapi.Response;
 import com.google.gerrit.extensions.restapi.RestReadView;
 import com.google.gerrit.server.change.ChangeResource;
 import com.google.gerrit.server.config.PluginConfig;
@@ -33,9 +34,9 @@
   }
 
   @Override
-  public String apply(ChangeResource rsrc) throws NoSuchProjectException {
+  public Response apply(ChangeResource rsrc) throws NoSuchProjectException {
     PluginConfig cfg =
         cfgFactory.getFromProjectConfigWithInheritance(rsrc.getProject(), pluginName);
-    return cfg.getString("changeInfo");
+    return Response.ok(cfg.getString("changeInfo"));
   }
 }