Rebaseline some GPU and ANGLE results which started failing on Win7.

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

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 267 matching lines @@
       ], 
       "bugs": [
         1759
       ], 
       "reviewed-by-human": false
     }, 
     "bezier_conic_effects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2180660720917607386
+          14464940541059395015
         ]
       ]
     }, 
     "bezier_cubic_effects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           2781992412778501528
         ]
       ]
@@ skipping 9417 matching lines @@
           "bitmap-64bitMD5", 
           10888284144745050236
         ]
       ], 
       "ignore-failure": false
     }, 
     "shadertext2_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4613698837893938143
+          5429198459967969996
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext2_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7006764312376428863
         ]
@@ skipping 1744 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }