iBolt dock w/ music and navigation enabled - Line out speaker glitch

[mikecuki]

This has happened 4 times since the JB update when in the car dock mode while cradled in the iBolt. 

connection:

- cradled in iBolt dock

- connect line out to vehicle input jack

- enables car dock mode

steps:

- play a music app

- start navigation app

- proceed to destination

trigger:

- line out connection glitches when voice navigation speaks

symptoms:

- sound starts to come out of phone speakers and line out stops

- sound comes out of both phone speaker and line out simultaneously