New baselines for displacement, imagefiltersclipped GMs.

expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 9364 matching lines @@
         [
           "bitmap-64bitMD5", 
           3854266854123865664
         ]
       ]
     }, 
     "imagefiltersclipped_pdf-native.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7016701159753131838
+          7877060923327993476
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagefilterscropped_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12882268055888474705
         ]
@@ skipping 5462 matching lines @@
           7829854837061118142
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }