Merge "Revert "Kill process if it's cached & idle and in forced-app-standby...

Merge "Revert "Kill process if it's cached & idle and in forced-app-standby mode"" into sc-dev am: 160fb766 am: 2a9cbea6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15131779

Change-Id: I4a6a448fe11795a714bee6f7cc843f77ab55e943