cm: Remove Focal

 * There are a number of issues with this app, and it's currently not
   working very well on most devices.

Change-Id: I36094c68fa0f642921d478aa72387bce2b88a224
cm: Build the BluetoothExt package

 * This package contains Bluetooth profiles implemented by Qualcomm on
   top of Bluedroid.
 * Currently contains support for MAP and FTP profiles.
 * Also included is BTC for wlan coex on QC chipsets.

Change-Id: I933b14de4576691c31087c9de4d60f21cbe3678b