audio: Disable the C++ backend for android.hardware.audio.core am: f84d6401...

audio: Disable the C++ backend for android.hardware.audio.core am: f84d6401 am: 0dee516d am: e4b61098 am: 23934214

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2194570



Change-Id: I8b84f43e558ca7c4581689450b2221c8c41f8c76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>