Merge "libprocessgroup: fix task_profile_test to correctly detect cgroup v2" am: 253f33aac5 am: 32aaf75a1a am: 3395088268

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2534619

Change-Id: I1583db34987048d4d2680e50b738aee7d8c8cd8e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>