Merge "Remove ndk_platform backend. Use the ndk backend." am: 5e29fcd9a6 am: ea1b825f58 am: 26ba494f46 am: f251c7da6a am: 5e92b84e11

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

Change-Id: I713f3af34d5f483af022d07df7d8c28139c040c2