Merge "Remove ndk_platform backend. Use the ndk backend." am: 2346a4c6b9 am: 4ef9aa49dc

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1778908

Change-Id: Ib35b7b0ddc0bebd0714d290b1ac2fab8d5a1893e