Merge "Remove ndk_platform backend. Use the ndk backend." am: 5e29fcd9a6 am: ea1b825f58 am: 26ba494f46

Original change: https://android-review.googlesource.com/c/platform/hardware/qcom/audio/+/1788155

Change-Id: Id886e181526ebd34be5cd7a30059fd160a51ba23