Implement getInterfaceHash/Version

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
Merged-In: I1d9a6fd7a67feb95ab1a4f3a7f5f83bb8e6f9c9f
Change-Id: I1d9a6fd7a67feb95ab1a4f3a7f5f83bb8e6f9c9f
3 files changed