hide SkPaint::getFlags/setFlags, use bool acessors instead

Bug: skia:
Change-Id: Ib44859bf69a9dfaae7fbbd220b41af0c198797c6
Reviewed-on: https://skia-review.googlesource.com/c/184388
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
5 files changed