Clock: use mCalendar to get seconds

We haz teh calendar already. No need to create a new one to get the seconds.

Change-Id: Iccfc6e25367ad57a99bf27c29311e260b5e276d8
Signed-off-by: Tianrui Guo <tianrui@pac-rom.com>
CamcorderProfile: Add 4k timelapse encoder constants

 4k encoder constants during timelapse are added
 for the 4k timelapse use case.

CRs-Fixed: 642013
Change-Id: I901fa362242477dad84130d23055815cdfee6167