RenderScript Canny Edge Detector
RenderScript kernel for the Canny Edge Detector algorithm is in 'src/main/rs' folder.
ScriptC_xxx classes are auto-generated by gradle from .rs files in 'src/main/rs' folder.
Source
https://android.googlesource.com/platform/frameworks/rs/+/b7a6edc/java/tests/CannyLive