Match conversion function names to type names

Update the names of conversion functions for AudioPatchFw,
AudioPortFw, and AudioPortConfigFw to reflect changes in
the names of these types. Besides consistenty, this allows
avoiding ambiguity when providing converters for vintf-stable
types.

Bug: 205884982
Test: m
Change-Id: I10b52b1e454ba0f763db83a28657be2a08c7a50f
5 files changed