Apollo: artist name will now be displayed together with the album name for each song on a playlist screen

PS2: Add missing comma in parameter of ProfileSongAdapter()

Change-Id: I49c9a5713284baff7365e5976034ac4682d0714a
Fix seek bar lags for AudioPlayerActivity

Change-Id: I714855aa1a170f6d00aa3ebb1a653b81e901fe8d