Merge "Rename removeAllProcessGroups() into removeAllEmptyProcessGroups()" into main am: e2ae20348f am: c59ddda887 am: d263bab6c1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2835732

Change-Id: I8ce21f71ee140eedffd0e5a6dcc99cbefefb8f0a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>