[1.Description]: Play FM radio, then tap the play icon from status bar, the music will be played about 1 second. Attach the video:[ music1.mp4] Attach the logs: [bugreport_Music.txt & logcat_Music.txt] Happened time:2:00PM [2.Testing Steps]: Precondition: insert headset. 1. Launch "Music" and play songs. 2. Tap stop icon and tap home key. 3. Launch "FM radio" and play a channel. 4. Slide down status bar and tap play icon about music. [3.Expected Result]: 4. The FM should stop and the music should be played. [4.Actual Result]: 4. The music will be played about 1 second, then it will stop and the FM is playing continue. Notes: launch music ap again, the songs are played directly [5.Reproduction build]: Gaia 7709936aeb21859d1607dbd038489493803bb085 Gecko https://hg.mozilla.org/releases/mozilla-b2g30_v1_4/rev/5bf038fae0f1 BuildID 20140522160202 Version 30.0 [6.Reproduction Frequency]: Always Recurrence,5/5