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: 7d0a7747 am: c6148e66

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

Change-Id: Idb6d43e4b222e40c9588330b77d69105aa81a0e5