Merge "[Disable Flags] Move disable flag logging to a helper class and use it for StatusBar." into sc-v2-dev am: 3eac9fde24 am: eb38acaa10

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15686518

Change-Id: I98aa129a032bd3efc61d8fb3e6646a2fb725ba6f