Merge "Initialize mAllowWhileInUsePermissionInFgsReason." into udc-dev am: f98146a555

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23249284

Change-Id: I5ddca9d02cde88801324a50e0ce35600c1a1d0f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>