HCI: Create a valid command complete for status

Some controllers don't support vendor-specific commands and return
a command status instead of a command complete.  Build a new
command complete event and pass that up with the status.

Bug: 330281358
Test: mma -j32
Flag: EXEMPT, only affects Floss, no flag support
Change-Id: I752f31e5975a2ae85745a6f0d20b6ba54a5d80c9