Rebaseline gpu and pdf bleed GM images

expectations/gm/Test-Android-Nexus10-MaliT604-Arm7-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 732 matching lines @@
         [
           "bitmap-64bitMD5", 
           14805040168956051404
         ]
       ]
     }, 
     "bleed_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7849440510376198041
+          14498535783408835095
         ]
-      ]
+      ], 
+      "reviewed-by-human": true
     }, 
     "bleed_msaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4131801314644610345
+          1453071759531302319
         ]
-      ]
+      ], 
+      "reviewed-by-human": true
     }, 
     "blend_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           15908269249044190948
         ]
       ], 
       "ignore-failure": false
     }, 
@@ skipping 9994 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           3034946427228640991
         ]
       ], 
       "ignore-failure": false
     }
   }
 }