* Removed bitmapshaders from expectations/gm/ignored-tests.txt.

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 567 matching lines @@
           "bitmap-64bitMD5", 
           23481610040948036
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "bitmapshaders_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16703280953816628958
+          1059519367608591882
         ]
       ], 
+      "bugs": [
+        2293
+      ], 
       "ignore-failure": true, 
       "reviewed-by-human": true
     }, 
     "bitmapsource_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10503127572291510299
         ]
       ], 
@@ skipping 8099 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7871079263072256188
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }