Revert "Remove SK_LEGACY_XFORM_CANVAS_IN_PICTURE_IMAGES"

This reverts commit af119e58dcb5e8f98e04d56c4af39b3faa5959b5.

Reason for revert: Chrome reverted the CL that removed this - somehow things haven't exploded, but I'm putting this back for now.

Original change's description:
> Remove SK_LEGACY_XFORM_CANVAS_IN_PICTURE_IMAGES
> 
> Chrome no longer uses this.
> 
> Bug: skia:
> Change-Id: I245c592a040cd113e9bd3ddd1e582d27070baee1
> Reviewed-on: https://skia-review.googlesource.com/c/162740
> Auto-Submit: Brian Osman <brianosman@google.com>
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Mike Reed <reed@google.com>

TBR=mtklein@google.com,brianosman@google.com,reed@google.com

Change-Id: I681a17763815d6e16e8797789a006d72b84b4478
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/c/163120
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed