DO NOT MERGE MediaPlayer: Disable acquiring wakelocks based on property.

Ignore setWakeMode based on system property.
Wakelocks essential for playback will be held by audioflinger.

Change-Id: I413cd873bf21e1e999dbf89a27802fbe1b6022c7
Signed-off-by: Sridhar Vashist <svashist@motorola.com>

media/java/android/media/MediaPlayer.java

@@ -37,6 +37,7 @@ import android.os.Process;
 import android.os.PowerManager;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.os.SystemProperties;
 import android.provider.Settings;
 import android.system.ErrnoException;
 import android.system.OsConstants;
@@ -1234,6 +1235,13 @@ public class MediaPlayer implements SubtitleController.Listener
      */
     public void setWakeMode(Context context, int mode) {
         boolean washeld = false;
+
+        /* Disable persistant wakelocks in media player based on property */
+        if (SystemProperties.getBoolean("audio.offload.ignore_setawake", false) == true) {
+            Log.w(TAG, "IGNORING setWakeMode " + mode);
+            return;
+        }
+
         if (mWakeLock != null) {
             if (mWakeLock.isHeld()) {
                 washeld = true;