Call test.modifyGrContextOptions() in wasm tests

Change-Id: Ie6b641d1df7040f5a13fb654b83c90c5e07e0171
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/419116
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
1 file changed