MediaFrameworkTest: don't set surface if video format is unsupported

Bug: 31964524
Test: adb shell am instrument -w -r -e class com.android.mediaframeworktest.stress.MediaPlayerStressTest com.android.mediaframeworktest/.MediaPlayerStressTestRunner
Change-Id: Ied3b1eefe952dd878b413027c9747a8dd58e4f27
1 file changed