Add new APIs to communicate with one another about the predefined sound behavior and to get acquired focus in system
- New enumeration for sound behavior (SOUND_BEHAVIOR_NONE, SOUND_BEHAVIOR_NO_RESUME, SOUND_BEHAVIOR_FADING)
- sound_manager_focus_set[get]_requesting_behavior() which is to set/get the requesting sound behavior before calling acquiring/releasing stream focus.
- sound_manager_focus_get_requested_behavior() which is to get the requested sound behavior within sound_stream_focus_state_changed_cb().
- Move internal APIs for getting focus status in the system to public header.
: sound_manager_get_current_playback_focus()
: sound_manager_get_current_recording_focus()
[Version] Release 0.3.65
[Profile] Common
[Issue Type] Feature Enhancement
Change-Id: I90421f80325a8d79d14495ee981283693dba009a
Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>