[automerger skipped] MediaCodec: fix output format change event timing am:...

[automerger skipped] MediaCodec: fix output format change event timing am: eb0f8a11 am: c3c3efa3 am: 429cdc3c -s ours am: 9a02d94c -s ours

am skip reason: Change-Id Ib373b71ba65f460edaf82365f8dd9be35348f635 with SHA-1 7633b161 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1478016

Change-Id: I739c02b378dd884cdb0b83602c11e51fecda02b8