Make setupForAsPaths produce a canonical paint

There are three call sites two of them clear the path
effect and set the style. The third is SkCanonicalizePaint
which is used for measureText, getTextWidths, getFontMetrics,
and breakText.

Change-Id: Idb85323a55d3efaf7713884cf757ea2ff88b4a45
Reviewed-on: https://skia-review.googlesource.com/154460
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Herb Derby <herb@google.com>
3 files changed