Adapt Cubic tests similar to flash canvas.
Issue #112. Add support for SkDeferredCanvas.
Changes required to use latest rebased skia branches.
Issue #125. Enabling clip and fill bezier tests including test name correction in flash canvas script.
Switch egl on with --deferred-rendering by default in flash canvas script.
Issue #125. Load output from a json file rather than stdout in flash canvas script.
Merge pull request #124 from Samsung/Issue_112

Issue 112. Add SkDeferredCanvas to caskbench.