Merge "Remove ndk_platform backend. Use the ndk backend." into sc-dev-plus-aosp am: e996f02801 am: 82230861e0

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/15481541

Change-Id: Ica7ec2964d726cfb5259ab6db26777b1d9ff1bc7