qs: sync volume tile icon

Display the current volume level in the volume qs tile

Patchset 2: Remove trailing whitespaces

Change-Id: I2dcf31ab2476883770a01ca1b015e3973417e855
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
systemui: improve DessertCaseDream immersive mode exit

Change-Id: I9d68e3f2e63467ae2f842a99e0071b562dfb6b15
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>