webos-image: luna-init=9

:Release Notes:
Made ext-timezones.json generated from tzdata shipped with build.

:Detailed Notes:
submissions/8..submissions/9
64678c4 Add generation of ext-timezones.json

:Testing Performed:
miniBAT and checked contents of ext-timezones.json

:QA Notes:

:Issues Addressed:
[BHV-810] Find better way for obtaining time-zones in luna-sysservice
[BHV-3370] CCC: luna-init=9

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

Change-Id: I1688b234f4a6ad5ae956aeb872c23ca42af58538
Reviewed-on: https://g2g.palm.com/5136
Reviewed-by: DCO Verification
Build: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Tested-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>