Add query methods for native instances am: 5498d72af6

Original change: https://android-review.googlesource.com/c/platform/system/libvintf/+/2881909

Change-Id: I06dc3f815e264dd6b70164b379580e6dceecde31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>