[sksl][compute] Move compute tests to common filegroup
Moved the compute test file declarations out of the metal test list and
into their own filegroup in preparation for enabling them in more
backends. Moved the compute error tests to the shared error sources as
they are not backend-specific.
Bug: b/262428625
Change-Id: Ia0cbac78aa8cafb957d1c5393467cb17219a9e15
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/729096
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Arman Uguray <armansito@google.com>
8 files changed
