PhoneWindowManager: EdgeGestureService: Bring compatibility with PIE service:

Remove all edges flags but TOP (for statusbar) regards to system edge gestures.
Pie covers the other edges with its service.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
ActivityInfo: Restore default behavior for screen size changes or layout changes

This was a change introduced with PIE intended to fix an aosp bug,
test to see if we still face one or more of current immersive issue(s).

Edit: revert for now along with the other PIE work.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>