Merge "Revert "Do not allow system gestures when dreaming."" into tm-qpr-dev am: 12764430

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22244586



Change-Id: Id879fd8d97166bb8818e45e49eafc453fd7ab87f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>