Integrate the BT multi-hfp apis with Telecom

Add a call to setActiveDevice when setting a bluetooth device

Test: unit, testapps
Change-Id: Ibd7c7f976c2caf834228745f8bedf24767d500b8
Merged-In: I3a2f0ae4e683bd18332f5b986c2936040187b1dc
Fixes: 78653642
11 files changed