Reland "Rename GrSimpleTextureEffect->GrTextureEffect"

This reverts commit d7436a37ff3fca9d0f6923f30a7b67da94b5ac1a.

Restores old file order in gpu.gni until Mac/Metal issue can be
debugged.

Change-Id: I6e2ee3bdc3b39270aeaaf28b9613e4ac49d38e1e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/262801
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
28 files changed