Merge "Add sysprop for tuning caching inactive layer" into sc-dev am:...

Merge "Add sysprop for tuning caching inactive layer" into sc-dev am: cda04d4f am: 1c16c345 am: 1e55b7ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/14908675

Change-Id: Iabf472841418e0c719a3f9e5e716d83c137d6adb