Generate vintf without VNDK version am: 9f24a721b2

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2949387

Change-Id: Id9305b806b531bb190f776a3402dec3cd21cf63b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>