Add serialization golden files, fix tests.

- Moves a few golden files from luni/ to harmony-tests/
- Delete dead code in SerializationTester
- Fix a bug in SerializationTest (not sure how this
  ever worked for resources with "." in their name)

Change-Id: Ia5b1376f4ada9b9c706a266ae077debeea5b1f29
63 files changed