- maxComputeWorkGroupInvocations updated to 256.
 - maxComputeWorkGroupSize updated to 256, 256, 64.

Bug: dawn:796
Change-Id: I00a9f4379bbc5b7c731b7c2c6f73bdc05baee3cf
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/55249Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Commit-Queue: Corentin Wallez <cwallez@google.com>
Tested-by: Corentin Wallez <cwallez@google.com>