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: I815adc764b6c543b13ac65cea3fe1e9a8ceb2be4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>