rebaselines for imageblur, imagemagnifier, and still some for gradient_radial2

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

 {
   "actual-results": {
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     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
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       "allowed-digests": [
@@ skipping 6988 matching lines @@
       ], 
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       ], 
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     }, 
     "imageblur_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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+          9170657630283407545
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     }, 
     "imageblur_8888.png": {
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           "bitmap-64bitMD5", 
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     "imageblur_pdf-poppler.png": {
       "allowed-digests": [
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     }, 
     "imagefiltersbase_565.png": {
       "allowed-digests": [
         [
@@ skipping 105 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
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     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
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         1578
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     }, 
     "imagemagnifier_8888.png": {
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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         1578
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       "reviewed-by-human": false
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     "imagemagnifier_gpu.png": {
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         1578
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     }, 
     "imagemagnifier_pdf-poppler.png": {
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         [
           "bitmap-64bitMD5", 
-          478198823776811003
+          6977401320822346760
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         1578
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       "reviewed-by-human": false
     }, 
     "internal_links_565.png": {
       "allowed-digests": [
         [
@@ skipping 3783 matching lines @@
           9206571293968307032
         ]
       ], 
       "bugs": [
         1578
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       "reviewed-by-human": false
     }
   }
 }