Merge "C2SoftMpeg2Dec: disable keep threads active for entire sequence" into main am: b56deb051f

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3107779

Change-Id: Ifd1447e707e6f8deb3d97e5d6502e792c10506d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>