Merge "Make FGS_BG_START_RESTRICTION_CHANGE_ID @Overridable" into sc-dev am: 389475e436

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15436587

Change-Id: Iabeb2383882fa0766bec51d38afacc51e238fef5