am 14638566: b/2296110 Car Dock - Enable BT if not already enabled.

Merge commit '146385663bb55d9f55ad179d3c35ccf5cac13fc8' into eclair-mr2

* commit '146385663bb55d9f55ad179d3c35ccf5cac13fc8':
  b/2296110 Car Dock - Enable BT if not already enabled.