Merge "libprocessgroup: Use correct language for cgroups" into main am: d79ad668 am: 0fcf20e2

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2808375



Change-Id: Id331418a6c62656b2151d5c77c6ff85b623138a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>