SystemUI: make clock and time clickable in statusbar

Clicking clock opens alarms, clicking the date will open the calendar.

Change-Id: I622527c1f144a8867aa543348b70a4fefe3f6403
Signed-off-by: Roman Birg <roman@cyngn.com>
Profiles: Add a profile picker activity

Patchset 2: Add CM Copyright
Patchset 3+4: Rebase
Patchset 5: Some optimizations

Change-Id: Ic8281e4c6fef6d2f4c56fc01acfe6e54b4c8f51c
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>