Fixes tests that turned from PASS -> CRASH by adding compute shader support.

Bug: b/120799499
Change-Id: I72190eef98223851cba3d61a98d54ab2f6e2a0a7
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26553Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Chris Forbes <chrisforbes@google.com>