TestingCamera: Add preview callbacks

- Support for NV21, YV12, YUY2 preview formats
- Switch to API level 17 for certain Renderscript features
- Fix assorted SDK warnings/lint issues.

Change-Id: I3a5063065e239308df74c1077c4120429f431ab7
11 files changed
tree: 5973273e5b3f731edd5014f567e304533aac8cdb
  1. apps/
  2. build/
  3. .gitignore
  4. README