Provide more flexible scoring algorithms am: d9e39c7a64

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23501952

Change-Id: I6a994309d724a539a5202d993bb5ab7fc85c7f67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>