Merge "Use another Vector as a swap to reduce computing complexity" am:...

Merge "Use another Vector as a swap to reduce computing complexity" am: fa24f1e6 am: 9449edd6 am: 11521a37 am: d2adf777 am: 74eb107d

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



Change-Id: I4d53794351d94b71887eba04554a97bd2152c85b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>