add patch grid update for 64 bit arm

expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16998423976396106083
         ]
       ], 
       "reviewed-by-human": true
@@ skipping 8473 matching lines @@
           "bitmap-64bitMD5", 
           2071285435632750836
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "patch_grid_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7228204456936434724
+          5520583909201375586
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "patch_primitive_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           3954700475348576410
         ]
@@ skipping 3874 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10030599291822810250
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }