Remove java.io tests duplicated with Harmony.

Change-Id: I5bb51064a476628349977049a374b45a91cdeecf
http://b/3246523
tree: cdbf9a9e4c69b814b9913632f774bbe9e3fc67fb
  1. src/
  2. Android.mk
  3. MODULE_LICENSE_BSD_LIKE
  4. VERSION