Merge "Make showing back for bouncer only rely on back disable status, not home and recents as well." into tm-qpr-dev am: f667823a8e am: 23aa4f8022

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21136526

Change-Id: Iec722d8821b90e3cb7021ba7d0a8d4076782f88a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>