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: I6eaf60bfa5b852937d497697a769aab3eee2e2fd
Change-Id: I6eaf60bfa5b852937d497697a769aab3eee2e2fd
(cherry picked from commit 38c723718d6967990b880a20516a29111f92bcc2)
2 files changed