Animating VU-bars go static after tab into Music Life app, ref#88

Perform the following steps:

  1. start Music Life iOS app version 3.0.4 (3041)
  2. set audio output to iPad
  3. play an album
  4. press home button (iPad home screen appears=ok)
  5. tab on the Music Life iOS app icon

Actual result

  1. In step 3: VU-bars are animating
  2. In step 6: VU-bars have become static

Expected result
VU-bars should be animating because music is playing.

Retested with following versions, result is passed.