Add an input FP to the GrProcessorTestData.

This will be leveraged in followup CLs.

Change-Id: Iccc6071867f0044fc3ab935fc18ac38dea0ebac2
Bug: skia:10384
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/303585
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed