Fix MediaLinkManager output directory path

:Release Notes:
MediaLinkManager: Fix path for output directory
Refactoring MediaLinkManager

:Detailed Notes:

:Testing Performed:

:QA Notes:

:Issues Address:

Open-webOS-DCO-1.0-Signed-off-by: Maksym Sditanov <maxim.sditanov@lge.com>

Change-Id: I062fa3cb7576add4f26b11037ed1a428d2f3155d
Reviewed-on: https://g2g.palm.com/3220
Reviewed-by: Build Verification
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>
Tested-by: Maksym Sditanov <maxim.sditanov@lge.com>
Reviewed-by: Roger Stringer <roger.stringer@lge.com>