This removes some hacks where we were creating nodes with the wrong
positions and later updating them to have the correct positions, along
with a general increase in the rigorousness of position tracking.
Change-Id: I2bc635de6d5f516d5fb6763b00a22a10ccdf135f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/526678
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
3d3a510071