Added Hover from AOSPA
Applied HOVER Patch
HOVER: Ensure to clear after reparenting all notifications

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Change-Id: I8d3735836952394942f044ebd067d7cc7a82bc2e
Revert "HOVER: Ensure to clear after reparenting all notifications"

This reverts commit f570686f9687a3ce6ffbd351d186955179092c07.
Revert "Applied HOVER Patch"

This reverts commit 25458b89cac54e9000f67440be0616c8b70e5288.