rebaseline some more: imageblur, imagemagnification, and yet more gradient_radial2

expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Release/expected-results.json

 {
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       "allowed-digests": [
@@ skipping 5216 matching lines @@
       ], 
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@@ skipping 78 matching lines @@
           "bitmap-64bitMD5", 
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     "imagemagnifier_565.png": {
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         [
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     "imagemagnifier_gpu.png": {
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           16958555138601261049
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@@ skipping 2860 matching lines @@
       "allowed-digests": [
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           9019242913965337895
         ]
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       "ignore-failure": false
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 }