Also:
- add kPreInitiliazed state to native bridge with check transition:
kOpened->kPreInitialized->kInitialized
- made sure we free the memory for the code_cache_path
- tidy up some error messages
- tidy up tests
- add a dummy native bridge to test with
Bug: 18027433
Bug: 18097480
(cherry picked from commit f9d9e2a2d9)
Change-Id: I9ce578949dbe522d5033465df7ca49fdd3aa3cbf