Add new method to FakeUid

This commit adds a new method to FakeUid
The added method is getMulticastWakelockStats()

Test: Manual Test
Bug: 33649966
Change-Id: I55c31eca87f1ad46e478d5e9e5e2f951eaee0265
Signed-off-by: Ahmed ElArabawy <arabawy@google.com>

src/com/android/settings/fuelgauge/FakeUid.java

@@ -50,6 +50,11 @@ public class FakeUid extends Uid {
         return null;
     }
 
+    @Override
+    public Timer getMulticastWakelockStats() {
+        return null;
+    }
+
     @Override
     public ArrayMap<String, ? extends Timer> getSyncStats() {
         return null;