[graphite] Rename AtlasShape to CoverageMaskShape.
Allows the atlas shape functionality to be used with masks stored in
non-atlased textures. Also changes the related atlas to the related
textureProxy. A future CL will rename the AtlasShapeRenderStep.
Bug: b/291735945
Change-Id: I5aee6a2665703c65abb45e016bcc7c4412b623ae
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/754697
Reviewed-by: Arman Uguray <armansito@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
10 files changed