First round of matrixconvolution rebaselines.

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

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   "expected-results": {
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       "allowed-digests": [
@@ skipping 7562 matching lines @@
           "bitmap-64bitMD5", 
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     }, 
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@@ skipping 3499 matching lines @@
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