Merge "Do not proactively kill cached/empty processes post boot" into tm-dev...

Merge "Do not proactively kill cached/empty processes post boot" into tm-dev am: 900b67de am: fd02e6b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17074590

Change-Id: Ic9e1ec153b60c18ad45e48d74e7b2d7796354b71