Revert ignore-failures changes from r11395.

expectations/gm/Test-Android-Nexus7-Tegra3-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 4860 matching lines @@
         ]
       ], 
       "ignore-failure": false
     }, 
     "imagefilterscropped_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4218993393511049682
         ]
-      ], 
-      "ignore-failure": true
+      ]
     }, 
     "imagefilterscropped_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4348202230099878645
         ]
-      ], 
-      "ignore-failure": true
+      ]
     }, 
     "imagefilterscropped_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14025602442383341134
         ]
-      ], 
-      "ignore-failure": true
+      ]
     }, 
     "imagefiltersgraph_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           17503624139247935067
         ]
       ], 
       "ignore-failure": false
     }, 
@@ skipping 2649 matching lines @@
     "xfermodes_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           13158365418409852317
         ]
       ], 
       "ignore-failure": false
     }
   }
-}
+}