Revert "Revert "Enforce our rules about valid images when making textures""

Revert "Revert "Enforce our rules about valid images when making textures""

This reverts commit 8bbdd49805bd77fec61e6e31f59d31a361e8be30.

Reason for revert: Original change re-landed.

Original change's description:
> Revert "Enforce our rules about valid images when making textures"
>
> This reverts commit 7035f3c466826a4116e2f31deb64d1645ea9441b.
>
> Reason for revert: Need to revert earlier change to fix DEPS roll.
>
> Original change's description:
> > Enforce our rules about valid images when making textures
> >
> > I'm working to make GrUploadPixmapToTexture more robust
> > and easier to follow. This is one step on that journey.
> >
> > BUG=skia:
> >
> > Change-Id: I3ac39057e20ff8249843bb41ceca25f629aff31c
> > Reviewed-on: https://skia-review.googlesource.com/7037
> > Commit-Queue: Brian Osman <brianosman@google.com>
> > Reviewed-by: Matt Sarett <msarett@google.com>
> > Reviewed-by: Brian Salomon <bsalomon@google.com>
> >
>
> TBR=bsalomon@google.com,msarett@google.com,robertphillips@google.com,brianosman@google.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
>
> Change-Id: I1d7fef2d3777f0fcabc6c36749908409bd31a0f1
> Reviewed-on: https://skia-review.googlesource.com/7094
> Commit-Queue: Brian Osman <brianosman@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>
>

TBR=bsalomon@google.com,msarett@google.com,robertphillips@google.com,brianosman@google.com
# Not skipping CQ checks because original CL landed > 1 day ago.
BUG=skia:

Change-Id: I53319ebca4b13175014e6000d7b613932d02612b
Reviewed-on: https://skia-review.googlesource.com/7114
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>