audio: Allow to inherit Binder RT priority in AIDL

This option is on by default for HIDL interfaces, however
in AIDL it needs to be enabled explicitly.

Bug: 331469541
Test: m
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d975a9e6ec0b6f0eeac99673b9b06e11146874ba)
Merged-In: I971185a46da4222160fb04b8b77f805ef0396562
Change-Id: I971185a46da4222160fb04b8b77f805ef0396562