Support for acting as a wifi display sink.

Change-Id: I0beac87025b93c60164daa865c89f16b72197a47
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index a02732b..91aaafe 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -293,8 +293,8 @@
                 break;
             }
 
-            if (mAudioDecoder == NULL && mAudioSink != NULL ||
-                mVideoDecoder == NULL && mNativeWindow != NULL) {
+            if ((mAudioDecoder == NULL && mAudioSink != NULL)
+                    || (mVideoDecoder == NULL && mNativeWindow != NULL)) {
                 msg->post(100000ll);
                 mScanSourcesPending = true;
             }