Add 'Forwarded-BatchIndex-Event' to events skipped from high-availability

Currently only events generated by threads named
'/plugins/high-availability/' or 'Forwarded-Index-Event' are skipped.
Events generated by 'Forwarded-BatchIndex-Event' thread should be
skipped as well.

Bug: Issue 13307
Change-Id: I3bd4a57be766cdc4b80f82cf6c9daf99a3e45750

src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java
index 1315a9c..49e6e1e 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java
@@ -22,6 +22,8 @@
 public abstract class BrokerForwarder {
   private static final CharSequence HIGH_AVAILABILITY_PLUGIN = "/plugins/high-availability/";
   private static final CharSequence HIGH_AVAILABILITY_FORWARDER = "Forwarded-Index-Event";
+  private static final CharSequence HIGH_AVAILABILITY_BATCH_FORWARDER =
+      "Forwarded-BatchIndex-Event";
 
   private final BrokerApiWrapper broker;
 
@@ -33,7 +35,8 @@
     String currentThreadName = task.getCallerThread().getName();
 
     return currentThreadName.contains(HIGH_AVAILABILITY_PLUGIN)
-        || currentThreadName.contains(HIGH_AVAILABILITY_FORWARDER);
+        || currentThreadName.contains(HIGH_AVAILABILITY_FORWARDER)
+        || currentThreadName.contains(HIGH_AVAILABILITY_BATCH_FORWARDER);
   }
 
   protected boolean send(ForwarderTask task, EventTopic eventTopic, MultiSiteEvent event) {

src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java
index ed8920d..5aaa2c8 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java
@@ -38,6 +38,7 @@
 public class BrokerForwarderTest {
   private static final String HIGH_AVAILABILITY_PLUGIN = "/plugins/high-availability/";
   private static final String HIGH_AVAILABILITY_FORWARDED = "Forwarded-Index-Event";
+  private static final String HIGH_AVAILABILITY_BATCH_FORWARDED = "Forwarded-BatchIndex-Event";
   private static final long TEST_TIMEOUT_SEC = 5L;
 
   @Mock private BrokerApiWrapper brokerMock;
@@ -103,6 +104,13 @@
     verifyZeroInteractions(brokerMock);
   }
 
+  @Test
+  public void shouldSkipEventFromHighAvailabilityPluginBatchForwardedThread() {
+    brokerForwarder.send(newForwarderTask(HIGH_AVAILABILITY_BATCH_FORWARDED), testTopic, testEvent);
+
+    verifyZeroInteractions(brokerMock);
+  }
+
   private ForwarderTask newForwarderTask(String threadName) {
     try {
       return executor