rebaseline shadertext2 shadertext3 and stroketext (sans 2)

expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json

 {
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   "expected-results": {
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@@ skipping 10585 matching lines @@
       ], 
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+          4721382661721666101
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         [
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+          15348462621046294022
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           "bitmap-64bitMD5", 
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@@ skipping 1897 matching lines @@
           14019814087375927425
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     }
   }
 }