Fix wakelock leak in PowerManagerService.sendNotificationLocked()

Change-Id: Ia5f814fe81413dc5350faaf4c79cff47de62d0ed
BUG: 2592894
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/services/java/com/android/server/PowerManagerService.java b/services/java/com/android/server/PowerManagerService.java
index 848997b..c9dd553 100644
--- a/services/java/com/android/server/PowerManagerService.java
+++ b/services/java/com/android/server/PowerManagerService.java
@@ -1125,6 +1125,8 @@
             mBroadcastQueue[0] = on ? 1 : 0;
             mBroadcastQueue[1] = -1;
             mBroadcastQueue[2] = -1;
+            mBroadcastWakeLock.release();
+            mBroadcastWakeLock.release();
             index = 0;
         }
         if (index == 1 && !on) {