Make the distanceFieldAdjustTable a static singleton

There is little reason for the Text Ops to be carrying around a pointer to this.

Additionally, this removes creation and initialization of this table from the DDL recording text contexts.

Bug: 1056730
Change-Id: Ie28ec479c35e4d4412954aa4c0104c4eed6fca3f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/279837
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
9 files changed