[automerger skipped] DO NOT MERGE MediaCodec: add methods to query/subscribe vendor parameters am: 197e1a7f5e am: 309d58c0cb am: 50ce5087fd -s ours

am skip reason: subject contains skip directive

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1646730

Change-Id: I4f0bea2ccaeb690b1aec8ef01716d994af6bbe19