Revert "remove legacy code for text attributes on paint"

This reverts commit 80f4adf98fefbb3665e09186affefbb26e9b8fa1.

Reason for revert: breaking PaintTest

Original change's description:
> remove legacy code for text attributes on paint
> 
> Bug: skia:2664
> Change-Id: I09f9d1401410d7ca338d7acde5a9660921c74da9
> Reviewed-on: https://skia-review.googlesource.com/c/185460
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Florin Malita <fmalita@chromium.org>

TBR=bungeman@google.com,rmistry@google.com,herb@google.com,fmalita@chromium.org,reed@google.com

Change-Id: If9bbb92d6eb064aba30cfa9069051ff60585a269
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:2664
Reviewed-on: https://skia-review.googlesource.com/c/187260
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>