Recents: Cleanup and fix visibility of ClearAll buttons

- Make it clean. Also this is a short life patch, top corner clear all will
  be moved as a function of hw buttons (ex long pressing desired assigned button ),
  reflects PA logic and muscle memory with soft navbar implement.

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

Recents: Need to consider if pie is on along with immersive

- Checking just the on the spot stored value result always true then

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

Recents: Fix rushness

- Missing parenthesis

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

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java