Update implementation to match BatteryStats.Uid

(cherry picked from commit 2350b8445c)

Change-Id: I4289fbb912f3109d0be6a9ab4254bea4c2866d3d

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

@@ -246,7 +246,7 @@ public class FakeUid extends Uid {
     }
 
     @Override
-    public long getTimeAtCpuSpeed(int step, int which) {
+    public long getTimeAtCpuSpeed(int cluster, int step, int which) {
         return 0;
     }