Re-enable pixel-local storage test.

This CL undoes the test-disable from http://review.skia.org/756996
and incorporates the new golden output from the test.

Change-Id: Ib1e52eae275312e510e1335da4e3dc51a1528d52
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/756183
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
3 files changed