Merge "libprocessgroup: Remove libcgrouprc_format" into main am: de8fa774c3 am: 09d5517211

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3343257

Change-Id: Ia3be2de5a151e00682c6c920311583bb319cfa8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>