bta_hh: Change bus_type to BUS_USB for USB HCI

* Bluetooth input devices have bus_type BUS_USB with USB HCI

Change-Id: I08cea5af59fbf1a668279b95cd92958018568b89
Signed-off-by: zombah <zombah@gmail.com>
Merge remote-tracking branch 'cm/cm-11.0' into HEAD