rebaselines for imageblur, imagemagnifier, and still some for gradient_radial2

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

 {
   "actual-results": {
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     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
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       "allowed-digests": [
@@ skipping 6997 matching lines @@
       ], 
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         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imageblur_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15951350631045182836
+          17676328038405740784
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     }, 
     "imageblur_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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     "imageblur_pdf-poppler.png": {
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         [
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     }, 
     "imagefiltersbase_565.png": {
       "allowed-digests": [
         [
@@ skipping 108 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
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     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
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+          1677472887570856956
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         1578
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     }, 
     "imagemagnifier_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
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+          1185885662382920496
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         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagemagnifier_gpu.png": {
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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         1578
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     }, 
     "imagemagnifier_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          18365490095552519248
+          6226411420262607322
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       ], 
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         1578
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       "reviewed-by-human": false
     }, 
     "internal_links_565.png": {
       "allowed-digests": [
         [
@@ skipping 3765 matching lines @@
           13996013494185391731
         ]
       ], 
       "bugs": [
         1578
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       "reviewed-by-human": false
     }
   }
 }