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: I6b5f3b0d173b78d7aa994b6c01d1baf0dce60a10
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>