Adapt plugin to latest its-base

Given latest its-base introduces ItsFacadeFactory as a way of tunneling
project information between its-base and its derivative plugins, this
factory needs to be bound to the SingeItsServer implementation in order
to keep backward compatibility.

Change-Id: Id083c0fbcfc0a65d2a155c27ba5ce64912a3bea9

src/main/java/com/googlesource/gerrit/plugins/its/phabricator/PhabricatorModule.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/its/phabricator/PhabricatorModule.java b/src/main/java/com/googlesource/gerrit/plugins/its/phabricator/PhabricatorModule.java
index 35171cd..847e7bb 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/its/phabricator/PhabricatorModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/its/phabricator/PhabricatorModule.java
@@ -21,6 +21,8 @@
 import com.google.inject.Inject;
 import com.googlesource.gerrit.plugins.its.base.ItsHookModule;
 import com.googlesource.gerrit.plugins.its.base.its.ItsFacade;
+import com.googlesource.gerrit.plugins.its.base.its.ItsFacadeFactory;
+import com.googlesource.gerrit.plugins.its.base.its.SingleItsServer;
 import org.eclipse.jgit.lib.Config;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -48,6 +50,7 @@
     if (gerritConfig.getString(pluginName, null, "url") != null) {
       log.info("Phabricator is configured as ITS");
       bind(ItsFacade.class).toInstance(new PhabricatorItsFacade(pluginName, gerritConfig));
+      bind(ItsFacadeFactory.class).to(SingleItsServer.class);
 
       install(new ItsHookModule(pluginName, pluginCfgFactory));
     }