Merge "Forces a back region for sandbox even if gesture nav is disabled." into sc-dev am: e0a94aa750 am: e673ec768c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14513829

Change-Id: Ib05d13f448aaf575d32e770927e939994e67aa26