Quicksettings: Upgrade immersive drawables with more polish ones.

* Thanks to Lo Huot for the drawables.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Quicksettings: Fix immersive icons mismatch.

* Flip hide only navigation bar and status bar.

Signed-off-by: Ricky Salinas <rsalinas1@mail.usf.edu>