Swap iteration order in TileGrid::insert().

src/core/SkTileGrid.cpp

Index: src/core/SkTileGrid.cpp
diff --git a/src/core/SkTileGrid.cpp b/src/core/SkTileGrid.cpp
index 84dc949b36727fe4ac0b9fb74c56dbf2115f0c4a..2eea6dbf36b4a274f517944bffb6bf2ac391bdd4 100644
--- a/src/core/SkTileGrid.cpp
+++ b/src/core/SkTileGrid.cpp
@@ -52,8 +52,8 @@ void SkTileGrid::insert(void* data, const SkRect& fbounds, bool) {
                                   fYTiles - 1));
 
     Entry entry = { fCount++, data };
-    for (int x = minX; x <= maxX; x++) {
-        for (int y = minY; y <= maxY; y++) {
+    for (int y = minY; y <= maxY; y++) {
+        for (int x = minX; x <= maxX; x++) {
             fTiles[y * fXTiles + x].push(entry);
         }
     }