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

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



Change-Id: I438fb51f1ec88b34c586cbc558447b5f98e1b4ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>