Rebaseline poppler (for me) and pictureshader/bleed on GPU (for Brian).

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

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 10372 matching lines @@
           "bitmap-64bitMD5", 
           18338139396266575549
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14641491906456700921
+          6201734173416988483
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           71577620991525908
         ]
@@ skipping 3315 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1935
       ], 
       "reviewed-by-human": false
     }
   }
 }