Merge "Use another Vector as a swap to reduce computing complexity" am: fa24f1e6 am: 9449edd6

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2418279



Change-Id: I8d6a6f6fa4a6f6e9a5770f0124b9e01eaf42d5c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>