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

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-ANGLE/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 1144 matching lines @@
           "bitmap-64bitMD5", 
           2770977120663775609
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "bitmapshaders_angle.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4175176360478310748
+          17577339008521169389
         ]
       ], 
-      "reviewed-by-human": false
+      "bugs": [
+        2293
+      ], 
+      "reviewed-by-human": true
     }, 
     "bitmapsource_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           371178799665115891
         ]
       ]
     }, 
     "bitmapsource_8888.png": {
@@ skipping 14271 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }