Bluetooth: Add btsnoop application in init.qcom.rc

Btsnoop application will be launched when BT is turn ON
and will be stopped on Bluetooth turn OFF.
Applicaton will open a socket and writes HCI packets in sdcard.

Change-Id: Ieca8f49efec24e476421f12a8211046631d4abae
Merge "Bluetooth: Add btsnoop application in init.qcom.rc"
Merge 2e27516d02edd1197f14f48690337510957cb620 on remote branch

Change-Id: Ic4cd6295c82e74c46e43d910dbb8b011898ebcf2