MediaFrameworkTest: compare media type only for supported media check

Bug: 36699113
Test: adb shell am instrument -w -r -e class com.android.mediaframeworktest.stress.MediaPlayerStressTest com.android.mediaframeworktest/.MediaPlayerStressTestRunner
Change-Id: If1200e7f9a8c734b07f3f2a0420b3942920c948b
1 file changed