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: 690317b9 am: f6c45dc8

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

Change-Id: I39b3d0607e8f56ebf887227d814ea89395ab6700