Tie up /clock and /time for working together

:Release Notes:
Pass through clock change updates from /time methods (like
setSystemTime and setBroadcastTime) to /clock methods.

:Detailed Notes:
- tied up NTP sync in updateSysteTime() together with "ntp" clock
- tied up setSystemTime with "manual" clock
- tied up setBroadcastTime with "broadcast" clock
- added new clock "broadcast-adjusted" to represent broadcast local
  time in current TZ adjusted UTC

:Testing Performed:
Desktop build. Tested manual, broadcast and broadcast-adjusted clocks
update through deprecated way.

:QA Notes:

:Issues Addressed:
[GF-52639] possibility to replace NTP with other time source

Open-webOS-DCO-1.0-Signed-off-by: Nikolay Orliuk <nikolay.orliuk@lge.com>

Change-Id: Ie0102be9da17c71ca65714aa9ac5dc41efacea37
Reviewed-on: https://g2g.palm.com/4144
Reviewed-by: DCO Verification
Reviewed-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Tested-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>