Add AA Analytic Compile Flag (and small fixes)

src/core/SkScan_AAAPath.cpp

 /*
  * Copyright 2016 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAntiRun.h"
 #include "SkBlitter.h"
 #include "SkEdge.h"
@@ skipping 547 matching lines @@
 }
 
 static inline void blit_two_alphas(AdditiveBlitter* blitter, int y, int x,
                             SkAlpha a1, SkAlpha a2, SkAlpha fullAlpha, SkAlpha* maskRow,
                             bool isUsingMask) {
     if (isUsingMask) {
         addAlpha(maskRow[x], a1);
         addAlpha(maskRow[x + 1], a2);
     } else {
         if (fullAlpha == 0xFF) {
-            blitter->getRealBlitter()->blitV(x, y, 1, a1);
-            blitter->getRealBlitter()->blitV(x + 1, y, 1, a2);
+            blitter->getRealBlitter()->blitAntiH2(x, y, a1, a2);
         } else {
             blitter->blitAntiH(x, y, a1);
             blitter->blitAntiH(x + 1, y, a2);
         }
     }
 }
 
 // It's important that this is inline. Otherwise it'll be much slower.
 static SK_ALWAYS_INLINE void blit_full_alpha(AdditiveBlitter* blitter, int y, int x, int len,
                             SkAlpha fullAlpha, SkAlpha* maskRow, bool isUsingMask) {
@@ skipping 690 matching lines @@
         AAAFillPath(path, clip.bwRgn(), blitter);
     } else {
         SkRegion        tmp;
         SkAAClipBlitter aaBlitter;
 
         tmp.setRect(clip.getBounds());
         aaBlitter.init(blitter, &clip.aaRgn());
         AAAFillPath(path, tmp, &aaBlitter);
     }
 }