Revert of align cap hairline first point

src/core/SkScan_Hairline.cpp

 /*
  * Copyright 2006 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 "SkScan.h"
 #include "SkBlitter.h"
 #include "SkMathPriv.h"
@@ skipping 520 matching lines @@
     }
 
     SkPath::RawIter     iter(path);
     SkPoint             pts[4], firstPt, lastPt;
     SkPath::Verb        verb, prevVerb;
     SkAutoConicToQuads  converter;
 
     if (SkPaint::kButt_Cap != capStyle) {
         prevVerb = SkPath::kDone_Verb;
     }
-    bool firstPtSet = false;
     while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
         switch (verb) {
             case SkPath::kMove_Verb:
                 firstPt = lastPt = pts[0];
-                firstPtSet = false;
                 break;
             case SkPath::kLine_Verb:
                 if (SkPaint::kButt_Cap != capStyle) {
                     extend_pts<capStyle>(prevVerb, iter.peek(), pts, 2);
                 }
                 lineproc(pts, 2, clip, blitter);
                 lastPt = pts[1];
                 break;
             case SkPath::kQuad_Verb:
                 if (SkPaint::kButt_Cap != capStyle) {
@@ skipping 30 matching lines @@
                 pts[1] = firstPt;
                 if (SkPaint::kButt_Cap != capStyle && prevVerb == SkPath::kMove_Verb) {
                     // cap moveTo/close to match svg expectations for degenerate segments
                     extend_pts<capStyle>(prevVerb, iter.peek(), pts, 2);
                 }
                 lineproc(pts, 2, clip, blitter);
                 break;
             case SkPath::kDone_Verb:
                 break;
         }
-        if (!firstPtSet && SkPath::kLine_Verb <= verb && verb <= SkPath::kCubic_Verb) {
-            firstPt = lastPt = pts[0];
-            firstPtSet = true;
-        }
         if (SkPaint::kButt_Cap != capStyle) {
             prevVerb = verb;
         }
     }
 }
 
 void SkScan::HairPath(const SkPath& path, const SkRasterClip& clip, SkBlitter* blitter) {
     hair_path<SkPaint::kButt_Cap>(path, clip, blitter, SkScan::HairLineRgn);
 }
 
@@ skipping 87 matching lines @@
 
         SkAAClipBlitterWrapper wrap;
         if (!clip.quickContains(r.roundOut().makeOutset(1, 1))) {
             wrap.init(clip, blitter);
             blitter = wrap.getBlitter();
             clipRgn = &wrap.getRgn();
         }
         AntiHairLineRgn(pts, count, clipRgn, blitter);
     }
 }