Move repaint tests (except for svg/) to paint/invalidation

third_party/WebKit/LayoutTests/platform/android/paint/invalidation/backgroundSizeRepaint-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [29, 359, 180, 20],
         [29, 197, 180, 20],
         [19, 319, 200, 60],
         [19, 319, 200, 40],
         [19, 157, 200, 60],
         [19, 157, 200, 40]
       ],
       "paintInvalidationClients": [
         "LayoutBlockFlow DIV",
         "LayoutBlockFlow DIV id='a'",
         "LayoutBlockFlow DIV",
         "LayoutBlockFlow DIV id='b'"
       ]
     }
   ]
 }