Update expectations for distance field path rendering.

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

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9785004568147979273
         ]
       ], 
       "bugs": [
@@ skipping 3575 matching lines @@
       ], 
       "bugs": [
         2146
       ], 
       "reviewed-by-human": false
     }, 
     "complexclip2_path_aa_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4724438818335593457
+          6794025562647231238
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "complexclip2_path_aa_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           6362926432596423425
         ]
@@ skipping 9576 matching lines @@
           "bitmap-64bitMD5", 
           10826393201339392414
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "verttext2_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16051138274232913385
+          7858371400753956584
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "verttext2_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10406690628109789367
         ]
@@ skipping 202 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10591909693224673086
         ]
       ], 
       "reviewed-by-human": false
     }
   }
 }