[Pandora] Add RunInquiry Host interface

This is so we can discover classic devices. RootCanal doesn't support
this fully yet (I think?) but I will add the needed support for tests
that require inquiry to work.

Bug: 239986609
Test: next CL
Tag: #feature
Change-Id: Iabe58600b50f6f3f5ab116bb1d7844a1bd07c9e9