Fix a typo in MediaPlayerFactory that would prevent us from

opting in to nuplayer for general media playback.

Change-Id: I050f5178aadbb0b8bf422861ef885745c0b9006a
diff --git a/media/libmediaplayerservice/MediaPlayerFactory.cpp b/media/libmediaplayerservice/MediaPlayerFactory.cpp
index bb441cc..1fb8b1a 100644
--- a/media/libmediaplayerservice/MediaPlayerFactory.cpp
+++ b/media/libmediaplayerservice/MediaPlayerFactory.cpp
@@ -100,7 +100,7 @@
     }                                                   \
                                                         \
     if (0.0 == bestScore) {                             \
-        bestScore = getDefaultPlayerType();             \
+        ret = getDefaultPlayerType();                   \
     }                                                   \
                                                         \
     return ret;