Fix GL loading bug in wasm debugger.

Seems this was fixed in canvaskit, but overlooked in debugger.

Change-Id: I326b809628a8531a521a6246e65798d37dcce1b7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/314457
Commit-Queue: Nathaniel Nifong <nifong@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
3 files changed