Fix drm flag setting missed in false drm recognition fix.

Change-Id: Ie38668c8a32969ef7c7df4ca3350e2364291953c
related-to-bug: 5732033

Author: jefftinker

media/libstagefright/AwesomePlayer.cpp

@@ -2105,6 +2105,7 @@ status_t AwesomePlayer::finishSetDataSource_l() {
 
         mWVMExtractor = new WVMExtractor(dataSource);
         mWVMExtractor->setAdaptiveStreamingMode(true);
+        mWVMExtractor->setDrmFlag(true);
         extractor = mWVMExtractor;
     } else {
         extractor = MediaExtractor::Create(