Add 'defaults' for 'av-audio-types-aidl'

Use of 'defaults' simplifies version increase for depedent modules.

Bug: 307310023
Test: m
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:dd1b47fde8125aa21a6a5e80953637d6514467cf)
Merged-In: If4cd909dda7ec5cf0432e36074950b5b7e387fdd
Change-Id: If4cd909dda7ec5cf0432e36074950b5b7e387fdd