stagefright: prevent component to be stuck on error

Bug: 36818684
Bug: 34983882
Test: Run the command below on Nexus Player overnight:
while true ; do adb shell am instrument -e class 'android.platform.tv.tests.aupt.YouTubeTests'  -w 'android.platform.tv.tests.aupt/android.support.test.aupt.AuptTestRunner' ; done
Test: adb shell am instrument -e size small -w 'android.media.cts/android.support.test.runner.AndroidJUnitRunner'
Change-Id: I9663c3d62d97c3f5db0af6c30f39bb59cbc7e3e7