[automerger skipped] Revert "MediaCodec: don't cache buffers until requested"...

[automerger skipped] Revert "MediaCodec: don't cache buffers until requested" am: bc7d1172 -s ours

am skip reason: Merged-In I4caca59d6854416cedb6758fe66aefaacb69beb7 with SHA-1 07358dfe is already in history. Merged-In was found from reverted change.

Reverted change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18501488

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18894226



Change-Id: I64a0a89606e23864078534f8d0125045ee3dbd30
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>