Reland "Add `applyRoundingHack` to `ParagraphStyle`"

Changed `s['applyRoundingHack'] ?? true`
to `s['applyRoundingHack'] !== false` per the comment in https://skia-review.googlesource.com/c/skia/+/714308/5/modules/canvaskit/paragraph.js#77

Change-Id: Ia98aba2549bab1bc0ebc00a182c118ab9e3e1b86
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/716699
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
7 files changed