Added tombstone transfer e2e test

Tombstone test has to live in device/google/cuttlefish since the test infrastructure
(tradefed) it relies on was developed after aosp-pie-cuttlefish-testing was branched.

Test: Treehugger
Change-Id: I04a1c4088edc2f2a523f93898982db3027227c8a
4 files changed