Fix a dependency injection runtime error in DeleteZombieDrafts pgm

The DeleteZombieDrafts pgm was added in stable-2.16 (I6aaf4ac292aca2da)
and merged all the way up to master. When running the pgm from the
command line in stable-3.0, a dependency injection error occurs in
SchemaModule while trying to bind a SchemaCreator class with the
following error: No implementation for
com.google.gerrit.metrics.MetricMaker was bound.

This change binds a MetricMaker to DisabledMetricMaker to fix the
problem.

Change-Id: I803a11d4f2ade6159a3bc6a3223ae4be05f2ab5e
diff --git a/java/com/google/gerrit/pgm/BUILD b/java/com/google/gerrit/pgm/BUILD
index 2dd4ba5..51bfb3f 100644
--- a/java/com/google/gerrit/pgm/BUILD
+++ b/java/com/google/gerrit/pgm/BUILD
@@ -31,6 +31,7 @@
         "//java/com/google/gerrit/launcher",
         "//java/com/google/gerrit/lifecycle",
         "//java/com/google/gerrit/lucene",
+        "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/metrics/dropwizard",
         "//java/com/google/gerrit/pgm/http/jetty",
         "//java/com/google/gerrit/pgm/init",
diff --git a/java/com/google/gerrit/pgm/DeleteZombieDrafts.java b/java/com/google/gerrit/pgm/DeleteZombieDrafts.java
index 90a60c1..c08e999 100644
--- a/java/com/google/gerrit/pgm/DeleteZombieDrafts.java
+++ b/java/com/google/gerrit/pgm/DeleteZombieDrafts.java
@@ -14,6 +14,8 @@
 
 package com.google.gerrit.pgm;
 
+import com.google.gerrit.metrics.DisabledMetricMaker;
+import com.google.gerrit.metrics.MetricMaker;
 import com.google.gerrit.pgm.init.api.ConsoleUI;
 import com.google.gerrit.pgm.util.SiteProgram;
 import com.google.gerrit.server.config.GerritServerConfigModule;
@@ -68,6 +70,7 @@
             bind(String.class)
                 .annotatedWith(SecureStoreClassName.class)
                 .toProvider(Providers.of(getConfiguredSecureStoreClass()));
+            bind(MetricMaker.class).to(DisabledMetricMaker.class);
             install(new FactoryModuleBuilder().build(DeleteZombieCommentsRefs.Factory.class));
           }
         });