GD HCI: Pipe VSEs up in shim layer

* Register known Android VSEs in shim layer
* Pipeline them through data callbacks so that they will
  be handled by btu_hcif_process_event() after beging posted
  to main thread by post_to_main_message_loop()

Tag: #gd-refactor
Bug: 183057550
Test: make, manual test BQR events
Change-Id: I849f02eec35f739f27d16803cea639c5e1ee1147