Implement getInterfaceHash/Version (USB)

As these interfaces get frozen, java services
implementing the interfaces are required to implement getInterfaceHash
and getInterfaceVersion [1]

[1]
https://source.android.com/devices/architecture/aidl/stable-aidl#new-meta-interface-methods

Bug: 190577319
Test: m
Change-Id: I00ced32a26fd1af7bc8cc23749d92ae90d5a5a0f