Reland "Better Matrix/Scalar testing"

This reverts commit 455e580b9c786b923fd4af54fdc84e2b289c1581.

Reason for revert: Fixing the build break

Original change's description:
> Revert "Better Matrix/Scalar testing"
>
> This reverts commit abb611550eb8e8b82949895395a5a6c3e06ae7ab.
>
> Reason for revert: Build break
> Original change's description:
> > Better Matrix/Scalar testing
> >
> > Adding tests for matrix math and comparison
> > bug: skia:12681
> >
> > Change-Id: Ia1537ee2e411383749456fd6ff938b7c9a2e1061
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/493416
> > Reviewed-by: John Stiles <johnstiles@google.com>
> > Commit-Queue: Julia Lavrova <jlavrova@google.com>
>
> Change-Id: I70871b4b75c1f10e870dc5e884a42405a80fc0f9
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/494816
> Reviewed-by: John Stiles <johnstiles@google.com>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Commit-Queue: Julia Lavrova <jlavrova@google.com>

Change-Id: Idef8dbcd6f5a5bbe84d3fd86888e3eab0f0521ee
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/494817
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
10 files changed