Massive rebaseline of gpu images after matrix change.

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

 {
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   }, 
   "expected-results": {
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       "allowed-digests": [
@@ skipping 7546 matching lines @@
         [
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         ]
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     "hairlines_gpu.png": {
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         [
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           "bitmap-64bitMD5", 
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@@ skipping 2033 matching lines @@
           "bitmap-64bitMD5", 
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     "points_gpu.png": {
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           "bitmap-64bitMD5", 
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+          313027145945575448
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     "points_pdf-poppler.png": {
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         [
           "bitmap-64bitMD5", 
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       "bugs": [
         1578
@@ skipping 166 matching lines @@
         [
           "bitmap-64bitMD5", 
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     "radial_gradient2_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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+          5265572241734657782
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     "radial_gradient2_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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       "reviewed-by-human": true
     }, 
@@ skipping 1669 matching lines @@
           "bitmap-64bitMD5", 
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     "strokes_round_gpu.png": {
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       "reviewed-by-human": true
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     "strokes_round_pdf-poppler.png": {
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         [
           "bitmap-64bitMD5", 
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@@ skipping 1051 matching lines @@
           14019814087375927425
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       "bugs": [
         1578
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       "reviewed-by-human": false
     }
   }
 }