Rebaseline for gpu dashing4 now doing circle dashes

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

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 4192 matching lines @@
           "bitmap-64bitMD5", 
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         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dashing4_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          791242651888418698
+          842505089271483404
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     }, 
     "dashing4_msaa4.png": {
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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         ]
@@ skipping 7487 matching lines @@
       "allowed-digests": [
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         ]
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     }
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 }