Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Update git submodules
  Update git submodules
  ListGroups: Accept --ownedby as an alias of --owned-by
  Update git submodules
  Fix documentation of owned-by option in groups REST API
  Update git submodules
  ListTestPlugin: Add missing license header
  Update git submodules
  gerrit-config.txt: cache-automerge is for "merge" commmits

Change-Id: I3961d03d64f195e899fa819badf7ab93ac7facd3

Documentation/config-gerrit.txt

@@ -1176,7 +1176,7 @@ Default is false.
 
 [[change.cacheAutomerge]]change.cacheAutomerge::
 +
-When reviewing diff commits, the left-hand side shows the output of the
+When reviewing merge commits, the left-hand side shows the output of the
 result of JGit's automatic merge algorithm. This option controls whether
 this output is cached in the change repository, or if only the diff is
 cached in the persistent `diff` cache.

Documentation/rest-api-groups.txt

@@ -126,13 +126,13 @@ client so they are generally disabled by default. Optional fields are:
 
 ==== Find groups that are owned by another group
 
-By setting `ownedBy` and specifying the link:#group-id[\{group-id\}] of another
+By setting `owned-by` and specifying the link:#group-id[\{group-id\}] of another
 group, it is possible to find all the groups for which the owning group is the
 given group.
 
 .Request
 ----
-  GET /groups/?ownedBy=7ca042f4d5847936fcb90ca91057673157fd06fc HTTP/1.0
+  GET /groups/?owned-by=7ca042f4d5847936fcb90ca91057673157fd06fc HTTP/1.0
 ----
 
 .Response

java/com/google/gerrit/acceptance/rest/ListTestPlugin.java

@@ -1,3 +1,17 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.google.gerrit.acceptance.rest;
 
 import com.google.common.collect.ImmutableList;

java/com/google/gerrit/server/restapi/group/ListGroups.java

@@ -206,7 +206,10 @@ public class ListGroups implements RestReadView<TopLevelResource> {
     options.addAll(ListOption.fromBits(ListGroupsOption.class, Integer.parseInt(hex, 16)));
   }
 
-  @Option(name = "--owned-by", usage = "list groups owned by the given group uuid")
+  @Option(
+      name = "--owned-by",
+      aliases = {"--ownedby"},
+      usage = "list groups owned by the given group uuid")
   public void setOwnedBy(String ownedBy) {
     this.ownedBy = ownedBy;
   }