Merge "Check if freezer cgroup configuration is valid" into udc-dev am: 8c9fd0d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22918310



Change-Id: I26ba25ae5d13665e2e6cfde3fdf7f51db51ededd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>