Merge patch for tone sound

Merge patch for tone sound
- Two stops for the same slot in toneplayer create issue
- tone play does not stop issue

[Model] tizen3.0
[BinType] AP
[Customer] OPEN
[Issue#] N/A
[Request] N/A
[Occurrence Version] N/A
[Problem] Two stops for the same slot in toneplayer create issue/tone
 10 play does not stop issue
[Cause & Measure] sound_stop is called two times with the same
 handle/start and stop is too fast
[Checking Method] N/A
[Team] MMFW
[Developer] eonseok.lee
[Solution company] Samsung
[Change Type] N/A

Change-Id: Icad5cffc69909c0e3b3834660bb4d72071df5204