Rebaseline known-bad scaled_tilemodes tests on GalaxyNexus

expectations/gm/Test-Android-GalaxyNexus-SGX540-Arm7-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 5466 matching lines @@
       ], 
       "bugs": [
         1603
       ], 
       "reviewed-by-human": false
     }, 
     "scaled_tilemodes_msaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12313280019537804469
+          494968569550831091
         ]
       ], 
       "bugs": [
         1603
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "scaled_tilemodes_npot_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10570768149143786460
         ]
       ], 
       "bugs": [
@@ skipping 1066 matching lines @@
     "xfermodes_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9426889969709537348
         ]
       ], 
       "ignore-failure": false
     }
   }
-}
+}