Provide more flexible scoring algorithms am: d9e39c7a64 am: c0d4c12471

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

Change-Id: If5cba9e39999ac59699920bdff710f4a0e80db9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>