Remove VNDK related code from build. am: 791caf183a

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/3016419

Change-Id: I3a9acd77f84805843cb7e62f3a308e978dfe407a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>