stream-manager: Add Dbus interface for getting current media routing path
server : org.pulseaudio.Server
object path : /org/pulseaudio/StreamManager
interface : org.pulseaudio.StreamManager
method name : GetCurrentMediaRoutingPath
method argument : #1 string for direction ("in" or "out")
return value : #1 string for device type
#2 string for error message
[Version] 5.0.101
[Profile] Common
[Issue Type] Feature enhancement
Change-Id: I539ee848abb61426ff1dc0db10bd2a8c8a8ea4f4
Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>
(cherry picked from commit
78d04114f812e6a3aebea831bf5822999a863537)