Update to include storing captures in pcap and pcapng format for
LINKTYPE_BLUETOOTH_BREDR_BB and LINKTYPE_BLUETOOTH_LE_LL_WITH_PHDR.

Includes:
* Add support for BTLE access address validity determination.
* Refactor BTLE support with accessors and opaque internals similar
  to BR support.
Merge branch 'whiterocker-master'
Reduce use of constants in BLE packet processing