Add presubmit hook to enforce java single source path

Test: repo upload
Change-Id: Id2c2d4850e1a74db8bdd31402045bd4e9e786f98
2 files changed
tree: e4b8aecadeac7101cfacc563b697f4f5453bad81
  1. build/
  2. java/
  3. javatests/
  4. tools/
  5. Android.bp
  6. OWNERS
  7. PREUPLOAD.cfg
  8. TEST_MAPPING