Update expectations for FontMgr that were missed in previous runs

expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-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 9844 matching lines @@
           "bitmap-64bitMD5", 
           8722739816575573844
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1688498628342937262
+          5532193327210681882
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10917815554845967025
+          8553416758363914294
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "fontmgr_iter_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4160702815259466556
         ]
@@ skipping 9771 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14883391086059083985
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }