rebaseline GM changes to image-surface

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json

 {
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     "succeeded": null
   }, 
   "expected-results": {
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       "allowed-digests": [
@@ skipping 7182 matching lines @@
       ], 
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       ], 
       "reviewed-by-human": false
     }, 
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         [
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         [
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     "image-surface_gpu.png": {
       "allowed-digests": [
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     "image-surface_pdf-poppler.png": {
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+      "reviewed-by-human": true
     }, 
     "imageblur_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10959537816936562124
         ]
       ], 
       "ignore-failure": false
     }, 
@@ skipping 4338 matching lines @@
           14157160633878011690
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }