RootCanal: Implement filtering of Inquiry packets based on IAC

The command Write_Current_IAC_LAP configures the list of LAPs
accepted during Inquiry Scan.
This logic is required for passing the PTS test GAP/MOD/GDIS/BV-02-C.

Test: PTS test GAP/MOD/GDIS/BV-02-C
Change-Id: I14eec1b89e061fa42f11b61f358ce155c6f58d45