Adapt to gerrit v3.1-rc1

- Rename `review.client` package to `entities`
- Depend on global-refdb v3.1-rc1

Change-Id: Ieba8a7933d9dccae16ba86c098cb0949ea5b9d17

Jenkinsfile

diff --git a/Jenkinsfile b/Jenkinsfile
index c555bcf..1d67234 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,7 +20,7 @@
         stage('build') {
             steps {
                 gerritReview labels: [Verified: 0], message: "Build started: ${env.BUILD_URL}"
-                sh "git clone --recursive -b stable-3.0 https://gerrit.googlesource.com/gerrit"
+                sh "git clone --recursive -b stable-3.1 https://gerrit.googlesource.com/gerrit"
                 sh 'cd gerrit/plugins && ln -sf ../../zookeeper . && ln -sf zookeeper/external_plugin_deps.bzl .'
                 sh 'cd gerrit && bazel build plugins/zookeeper && bazel test plugins/zookeeper:zookeeper_tests'
             }

external_plugin_deps.bzl

diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 2f83eec..058fbe7 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -35,6 +35,6 @@
 
     maven_jar(
         name = "global-refdb",
-        artifact = "com.gerritforge:global-refdb:0.1.1",
-        sha1 = "d6ab59906db7b20a52c8994502780b2a6ab23872",
+        artifact = "com.gerritforge:global-refdb:3.1.0-rc1",
+        sha1 = "61fc8defaed9c364e6bfa101563e434fcc70038f",
     )

src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java b/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java
index 5378879..01d19f2 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabase.java
@@ -20,7 +20,7 @@
 import com.gerritforge.gerrit.globalrefdb.GlobalRefDbLockException;
 import com.gerritforge.gerrit.globalrefdb.GlobalRefDbSystemError;
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.entities.Project;
 import com.google.inject.Inject;
 import java.nio.charset.StandardCharsets;
 import org.apache.curator.RetryPolicy;

src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/RefFixture.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/RefFixture.java b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/RefFixture.java
index da79b3c..24a2f23 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/RefFixture.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/RefFixture.java
@@ -14,8 +14,8 @@
 
 package com.googlesource.gerrit.plugins.validation.dfsrefdb.zookeeper;
 
-import com.google.gerrit.reviewdb.client.Project;
-import com.google.gerrit.reviewdb.client.RefNames;
+import com.google.gerrit.entities.Project;
+import com.google.gerrit.entities.RefNames;
 import org.eclipse.jgit.lib.ObjectId;
 import org.junit.Ignore;
 
@@ -23,7 +23,7 @@
 public interface RefFixture {
 
   String A_TEST_PROJECT_NAME = "A_TEST_PROJECT_NAME";
-  Project.NameKey A_TEST_PROJECT_NAME_KEY = new Project.NameKey(A_TEST_PROJECT_NAME);
+  Project.NameKey A_TEST_PROJECT_NAME_KEY = Project.nameKey(A_TEST_PROJECT_NAME);
   ObjectId AN_OBJECT_ID_1 = new ObjectId(1, 2, 3, 4, 5);
   ObjectId AN_OBJECT_ID_2 = new ObjectId(1, 2, 3, 4, 6);
   ObjectId AN_OBJECT_ID_3 = new ObjectId(1, 2, 3, 4, 7);

src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabaseTest.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabaseTest.java b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabaseTest.java
index db7024b..fd7b3c0 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabaseTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZkSharedRefDatabaseTest.java
@@ -16,7 +16,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.entities.Project;
 import org.apache.curator.retry.RetryNTimes;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectIdRef;

src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZookeeperTestContainerSupport.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZookeeperTestContainerSupport.java b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZookeeperTestContainerSupport.java
index 3955644..066aeb7 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZookeeperTestContainerSupport.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/validation/dfsrefdb/zookeeper/ZookeeperTestContainerSupport.java
@@ -19,7 +19,7 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
-import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.entities.Project;
 import com.google.gerrit.server.config.PluginConfigFactory;
 import org.apache.curator.framework.CuratorFramework;
 import org.eclipse.jgit.lib.Config;