Camera: Don't enforce result metadata queue support

Some provider implementations could still be using direct
transfer of the result metadata through hw binder.

Merged-In: Ib2adaff005af77385767a32c1ed069371a6e9b7a
Bug: 63970723
Test: vts-tradefed run commandAndExit vts --skip-all-system-status-check
--skip-preconditions --module VtsHalCameraProviderV2_4Target -l INFO
Change-Id: Ib2adaff005af77385767a32c1ed069371a6e9b7a