TestingCamera2: Update to final SDK codes and naming

- API 21
- Listener->Callback

Change-Id: Ieb15606b280aa34239e334e4d9ad1144a3b40eb3
3 files changed
tree: 0f8b86e318fc43629323c4d5edfd1465945ca9ad
  1. apps/
  2. build/
  3. util/
  4. .gitignore
  5. README