Change Sampling Frequency to 48 kHz - Thanks to Sunny Kapdi
Conditional compilation for 48KHz sample rate - Ty cyanogen
Revert "Conditional compilation for 48KHz sample rate - Ty cyanogen"

This reverts commit 150b671c61740c89a0f780edbd59ee594948f514.
increase read buffer size - Thanks to  adrian-bl
Fix HCI buffer size issue (From AOSP)
Avoid multicast address for tun-tap interface - (From AOSP)
Adding Sniff feature for PAN Profile - (From AOSP)