Add isHidlSupported API and use it am: 22e6f1e1c5 am: 20ed057929 am: 304e1719d4

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2844966

Change-Id: Ia18a5db961084fbcdf4b5402827fd85a81348fd0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>