Ensure mutual exclusivity w/ other vendors' msm8660 repositories

msm8660 is a common board, HTC != samsumg

rerolled for pull-request by @nuclearmistake

Change-Id: I2e1c04947da5488af647baee259fb6e9d237ec45
Merge pull request #1 from nuclearmistake/cm-10.2

Ensure mutual exclusivity w/ other vendors' msm8660 repositories
Enable Bluetooth LE feature (android.hardware.bluetooth_le)

Change-Id: I54e3486c16d3056ad930906a630faab0c82adde6
Move legacy into msm8660-common
Revert "Enable Bluetooth LE feature (android.hardware.bluetooth_le)"

This reverts commit 8bdaa1bd59e4b6d854227aeb4ee6056f1b414f6b.
msm8660: Add Bluetooth LE permission
msm8660: Use a2dp tuning and Enable Bluetooth LE
msm8660: BOARD_USES_LEGACY_QCOM := true