Rebaseline.

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

 {
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     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 12003 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "shadertext2_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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+          3180523614039008805
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     "shadertext2_gpu.png": {
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     }, 
     "shadertext2_pdf-poppler.png": {
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@@ skipping 2183 matching lines @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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       ], 
       "reviewed-by-human": true
     }
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 }