add correct exception throw declaration to isScreenBrightnessBoosted.

Change-Id: I9b861002d7719ad43643d68f6795df6938bd0fc3

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgePowerManager.java

@@ -147,7 +147,7 @@ public class BridgePowerManager implements IPowerManager {
     }
 
     @Override
-    public boolean isScreenBrightnessBoosted() {
+    public boolean isScreenBrightnessBoosted() throws RemoteException {
         return false;
     }
 }