Plumb drawArc to SkDevice.

Plumbs the drawArc canvas method down to SkDevice without converting to a path. Plumbs through the various recording canvas classes.

BUG=skia:5227
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2257023003

Review-Url: https://codereview.chromium.org/2257023003
diff --git a/tools/android/SkAndroidSDKCanvas.cpp b/tools/android/SkAndroidSDKCanvas.cpp
index 8d95d8a..44ceccb 100644
--- a/tools/android/SkAndroidSDKCanvas.cpp
+++ b/tools/android/SkAndroidSDKCanvas.cpp
@@ -124,6 +124,11 @@
     FILTER(paint);
     fProxyTarget->drawOval(r, filteredPaint);
 }
+void SkAndroidSDKCanvas::onDrawArc(const SkRect& r, SkScalar startAngle, SkScalar sweepAngle,
+                                   bool useCenter, const SkPaint& paint) {
+    FILTER(paint);
+    fProxyTarget->drawArc(r, startAngle, sweepAngle, useCenter, filteredPaint);
+}
 void SkAndroidSDKCanvas::onDrawRect(const SkRect& r, const SkPaint& paint) {
     FILTER(paint);
     fProxyTarget->drawRect(r, filteredPaint);