Mark Xoom scaled_tilemodes_npot GPU images as ignore

expectations/gm/Test-Android-Xoom-Tegra2-Arm7-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 6724 matching lines @@
       ], 
       "bugs": [
         1759
       ], 
       "reviewed-by-human": false
     }, 
     "scaled_tilemodes_npot_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5896555337922724837
+          12284076178750590500
         ]
       ], 
       "bugs": [
-        1759
+        1814
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "selftest1_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12927999507540085554
         ]
       ], 
       "bugs": [
@@ skipping 1289 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4911991897705972175
         ]
       ], 
       "ignore-failure": false
     }
   }
 }