WificondControl: Support interface teardown

a) Rename the existing setupDriver* methods to setupInterface* since these
are interface specific operations.
b) Add support for the new binder method to teardown a specific
AP/Client interface.

Bug: 69270390
Test: Unit tests
Change-Id: I698c4b87bde1c2c4a5e414609c3608c24341b164
4 files changed