Update some flaky GMs to see if they stick.

expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-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 7265 matching lines @@
           "bitmap-64bitMD5", 
           10525272923450281431
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dftext_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          18086233215422602302
+          10578518583256043035
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dftext_msaa16.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          18086233215422602302
+          10578518583256043035
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dftext_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14257106999823611387
         ]
@@ skipping 8695 matching lines @@
           "bitmap-64bitMD5", 
           12306117555345084962
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pathfill_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11565647058340560769
+          17359328999022553874
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pathfill_msaa16.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4498024042829372500
         ]
@@ skipping 5536 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           11835374726311942978
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }