Rebaseline two tests after r13940.

expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json

 {
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       "allowed-digests": [
@@ skipping 1173 matching lines @@
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@@ skipping 6809 matching lines @@
           "bitmap-64bitMD5", 
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         [
           "bitmap-64bitMD5", 
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+          13296129019333738133
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     "fontscaler_pdf-poppler.png": {
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       ], 
       "bugs": [
         1578
@@ skipping 7511 matching lines @@
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       "bugs": [
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       "reviewed-by-human": false
     }
   }
 }