Update expectations for FontMgr that were missed in previous runs

expectations/gm/Test-Win8-ShuttleA-HD7770-x86_64-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 6661 matching lines @@
           "bitmap-64bitMD5", 
           14935536508309642496
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5208488991669791479
+          959878741858530751
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12778271644845223756
+          1003428895143800786
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_factory_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           959878741858530751
         ]
@@ skipping 6484 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1935
       ], 
       "reviewed-by-human": false
     }
   }
 }