This reverts commit ac09f7cd7a.
Reason for revert: breaking bots, may need to use swizzled color for
correctness test
Original change's description:
> Add api on GrContext to update the data of GrBackendTextures.
>
> Change-Id: I680f12bf58fc7b66a6b2f3fa4c4723ae84d3f949
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288555
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>
TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com
Change-Id: I47f41f536619ac13ca3ceeb216e7eaed9a9af255
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288630
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
93ca54e0ac