Fix SkCanvas::wouldOverwriteEntireSurface() contains test

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 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 "SkCanvas.h"
 #include "SkCanvasPriv.h"
 #include "SkBitmapDevice.h"
@@ skipping 52 matching lines @@
         return false;
     }
 
     if (rect) {
         if (!this->getTotalMatrix().rectStaysRect()) {
             return false; // conservative
         }
 
         SkRect devRect;
         this->getTotalMatrix().mapRect(&devRect, *rect);
-        if (devRect.contains(bounds)) {
+        if (!devRect.contains(bounds)) {
             return false;
         }
     }
 
     if (paint) {
         SkPaint::Style paintStyle = paint->getStyle();
         if (!(paintStyle == SkPaint::kFill_Style ||
               paintStyle == SkPaint::kStrokeAndFill_Style)) {
             return false;
         }
@@ skipping 2782 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }