Merge "Check if freezer cgroup configuration is valid" into udc-dev am: 8c9fd0d8 am: 7f8617e8

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



Change-Id: Ic0e67e4fb89c0870578335fc11746a822b111698
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>