Rebaseline minor pixel diffs from recent GPU changes.

expectations/gm/Test-Android-Nexus10-MaliT604-Arm7-Debug/expected-results.json

 {
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   "expected-results": {
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       "allowed-digests": [
@@ skipping 2551 matching lines @@
       ], 
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         [
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+          15865471464929251478
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@@ skipping 699 matching lines @@
           "bitmap-64bitMD5", 
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           16086429144316222800
@@ skipping 7274 matching lines @@
       "allowed-digests": [
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       "reviewed-by-human": true
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 }