Update expectations for FontMgr that were missed in previous runs

expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 6397 matching lines @@
           "bitmap-64bitMD5", 
           15720178186502724169
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17177797826902908900
+          14818252557016116600
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12727560363135530973
+          16507136324562418008
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_factory_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14818252557016116600
         ]
@@ skipping 6367 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }