Initial checkin of support for acting as a wifi display source

Change-Id: I08f17efa0c7d007e17408feb7d4fbef0a19f531a
diff --git a/include/media/IMediaPlayerService.h b/include/media/IMediaPlayerService.h
index 76c45a0..dbcdf92 100644
--- a/include/media/IMediaPlayerService.h
+++ b/include/media/IMediaPlayerService.h
@@ -50,6 +50,8 @@
     virtual sp<IOMX>            getOMX() = 0;
     virtual sp<ICrypto>         makeCrypto() = 0;
 
+    virtual status_t enableRemoteDisplay(bool enable) = 0;
+
     // codecs and audio devices usage tracking for the battery app
     enum BatteryDataBits {
         // tracking audio codec