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

Change-Id: I49c9a5713284baff7365e5976034ac4682d0714a
Fix seek bar lags for AudioPlayerActivity

Change-Id: I714855aa1a170f6d00aa3ebb1a653b81e901fe8d
Apollo: Lock when re-opening cursor

* In certain situations it may be possible to query the cursor
  in a state where it has been closed and not yet re-opened.

Change-Id: I60b19624887bc8ef27b928105a07072e3e11f80b
Add ACTION_PICK intent

Allow Apollo to serve as the default audio picker for directories
Fixes  android.provider.cts.MediaStoreIntentsTest#testPickAudioDir

Change-Id: I843b7a42d6a0002ab2bb0952db6b1150ee30919a
Apollo: handle possible exceptions

Change-Id: Ie0f2496ccb3ec4d849fc9751ac682fe3b916a6bb
Apollo: Add option for sorting by filename into 'Sort by' menu

Change-Id: Ia9688d2022ba62df41829eca1e20abd3e4b6c093