RC: Status Bar Hide toggle (2/3)

RC part for status bar hide toggle.
Patch-set 3: Added quick settings toggle
Patch-set 2: Fixed variable definition, thanks to Davor Bertovic
Patch-set 4: Changed main variable name
Patch-set 5: Fixed conflicts
Patch-set 6: Resolved conflicts
Patch-set 7: Build fix
Patch-set 8: Cleaned some whitespaces and fixed conflicts
Patch-set 9: Fix build
Patch-set 10: Rebased and resolved conflicts
Change-Id: I79dd15140d82b266f915488447cf3e3419450d6d
Signed-off-by: kecinzer <kecinzer@gmail.com>
http://gerrit.sudoservers.com/#/c/5339/11