fireball: Bluetooth: Add Interleave scan feature
fireball: Bluetooth: Add Interleave scan feature

Add Interleave Bluetooth scan feature so that both
Bluetooth classic and LE devices can be discovered

Change-Id: I3c4672d3758ef2ae7a093cd6f121db28ea1672ce
CRs-Fixed: 567862

Beeko/android_device_htc_fireball,Beeko/android_device_htc_fireball