Merge "Build 64-bit audio service on 64-bit-only" am: 01937cb938 am: a0ac5fce1e am: 4a432b55c2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1327194

Change-Id: I197f4cd6d203ed0b151943b66a6dd6d05bb796ef