stagefright: don't fail MediaCodec.configure if clients use store-meta key am: ae52fd383a am: 0854507c13 am: 90fc141bd3 am: ea35b4e1c2  -s ours am: bbaba0b4fb am: fd55f447cf
am: 1110965cef

Change-Id: I6268db5e0b766a809598c28206b233dfc071e0d9