Tweak priorities of paint invalidation reasons

third_party/WebKit/LayoutTests/platform/linux/fast/repaint/repaint-descandant-on-ancestor-layer-move-expected.txt

 {
   "name": "Content Root Layer",
   "bounds": [800, 600],
   "children": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
@@ skipping 50 matching lines @@
     {
       "object": "LayoutText #text",
       "reason": "bounds change"
     },
     {
       "object": "InlineTextBox 'There should only be one copy of this text.'",
       "reason": "bounds change"
     },
     {
       "object": "LayoutText #text",
-      "reason": "bounds change"
+      "reason": "location change"
     }
   ]
 }