Remove one use of AttachCache, and a paint variant of FindOrCreate...

This is a point change to see if it causes bad draws using config
gldft. Checked with skdiff on that config.

Change-Id: Ibee4630df21456ba9dccf28480bded82d1d9bf47
Reviewed-on: https://skia-review.googlesource.com/113204
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
5 files changed