Convert ES2 conformance tests to usable SkSL.

This generates usable code, but emits it all to stdout. The next step
should be automation of testing.

The output from the script:
http://go/diid/1kg7HB-DxUQ5qsKkq5LsI4nnSkmDcLd7G/view

Change-Id: I638f33dcccaf9b36b79b77ae04cb65950042dc01
Bug: skia:12484
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/453947
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
1 file changed