Revert "De-GL-ify tests, gm and tools"

This reverts commit 89fb346d2bcefd3196aba01f66f1a74f040a5368.

Reason for revert: Google3 failure

Original change's description:
> De-GL-ify tests, gm and tools
> 
> Change-Id: Id15a3a4b2c8b80b9dc7ecdab1cf1af1f9282f442
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215447
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>

TBR=jvanverth@google.com,robertphillips@google.com

Change-Id: I155b033ac48d9fea15f66b22a090fb34f3bb81fa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215521
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
18 files changed