Merge "Revert "Revert "Enable taskbar in overview by default""" into tm-qpr-dev am: 5e0d7ae0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20640160



Change-Id: I6efba3ac4543bd9b1f289de1f349edeaffdef3c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>