Move MojDbLunaServiceApp.h from src to inc

:Release Notes:
Move MojDbLunaServiceApp.h from src/db-luna to inc/db-luna

:Detailed Notes:
- Move src/db-luna/MojDbLunaServiceApp.h to inc/db-luna/MojDbLunaServiceApp.h
- Fix up for MediaTest

:Testing Performed:

:QA Notes:

:Issues Addressed:

Open-webOS-DCO-1.0-Signed-off-by: Maksym Sditanov <msditanov@luxoft.com>

Change-Id: I5d6a4fd67fa861c6ec4c3ec66c92898fc08eaa8a
Reviewed-on: https://g2g.palm.com/3114
Reviewed-by: Roger Stringer <roger.stringer@lge.com>
Tested-by: Roger Stringer <roger.stringer@lge.com>