DO NOT MERGE: StagefrightTest: add test for bug 22771132 am: ecfa904f0a  -s ours am: 6614f52c87  -s ours am: b7ec3241ca  -s ours
am: 8a42bc2eef  -s ours

Change-Id: I83f4f88ea1b1a96d6cbbab8344823af2ec2fac18