Revert "New APIs for immersive audio"

This reverts commit 50673d80bef4fac7f621c7384c36039f1d4850bb.

Reason for revert: non-existing bug number prevents API council tracking

Bug: 191404931
Change-Id: Iaccc698a1034e9387b7918eda826438dfe3a9485
9 files changed