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

third_party/WebKit/LayoutTests/platform/android/paint/invalidation/background-shorthand-with-gradient-and-height-changes-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [8, 308, 784, 200],
         [8, 8, 784, 500],
         [8, 8, 784, 300]
       ],
       "paintInvalidationClients": [
         "LayoutBlockFlow DIV id='outer'",
         "LayoutBlockFlow DIV id='inner'"
       ]
     }
   ]
 }