[sksg] Expose SkFont::Edging in TextNode

(instead of SkPaint flags)

TBR=
Change-Id: I31566f29d7922b26898234c357d8d249ebc1e094
Reviewed-on: https://skia-review.googlesource.com/c/172504
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
diff --git a/modules/sksg/src/SkSGText.cpp b/modules/sksg/src/SkSGText.cpp
index 4d57b10..0d6bed9 100644
--- a/modules/sksg/src/SkSGText.cpp
+++ b/modules/sksg/src/SkSGText.cpp
@@ -46,11 +46,11 @@
     // TODO: we could potentially track invals which don't require rebuilding the blob.
 
     SkFont font;
-    font.LEGACY_applyPaintFlags(fFlags);
     font.setTypeface(fTypeface);
     font.setSize(fSize);
     font.setScaleX(fScaleX);
     font.setSkewX(fSkewX);
+    font.setEdging(fEdging);
     font.setHinting(fHinting);
 
     // N.B.: fAlign is applied externally (in alignedPosition()), because