Revert "Reland "Use SkImage_Raster's unique ID to cache textures.""

This reverts commit 814c6db4c04de0c757816e1d5b2aff4e1ccada54.

Reason for revert: Pending investigatoin of what's going on with Chrome issue 1211203.

Original change's description:
> Reland "Use SkImage_Raster's unique ID to cache textures."
>
> This is a reland of 8005007e9879f2778189e6505d70c3b2ce83452c
>
> Original change's description:
> > Use SkImage_Raster's unique ID to cache textures.
> >
> > SkImages can share SkBitmaps and have different unique IDs/mipmap
> > status. Currently we cache the texture version using the bitmap's
> > unique ID. Instead use the image's ID so different images produce
> > different textures (e.g. mipped and nonmipped).
> >
> > Bug: skia:11983
> > Change-Id: Ic37564186f675277e5a9de1bcf36b40a19c3a3de
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/407356
> > Commit-Queue: Brian Salomon <bsalomon@google.com>
> > Reviewed-by: Robert Phillips <robertphillips@google.com>
>
> Bug: skia:11983
> Change-Id: I63e9d15ffdf6b6769c9b0b97d9aa30f353e1a3a3
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/409376
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: skia:11983
Change-Id: I4fb2875c2a62d409c3f6ddd41344e83f4e68a375
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411240
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
7 files changed