Mark bleed GM images on GPU configs as baselined but associated with bug 2762

expectations/gm/Test-Win8-ShuttleA-HD7770-x86-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 919 matching lines @@
           "bitmap-64bitMD5", 
           2457238860272156360
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "bleed_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6875302572300858944
+          7529423456826523215
         ]
       ], 
-      "reviewed-by-human": true
+      "bugs": [
+        2762
+      ], 
+      "reviewed-by-human": false
     }, 
     "bleed_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4572298529323124815
         ]
       ], 
       "bugs": [
         1935
@@ skipping 12168 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1935
       ], 
       "reviewed-by-human": false
     }
   }
 }