New baselines for tileimagefilter, imagefiltersgraph, and everything Nexus4.

expectations/gm/Test-ChromeOS-Alex-GMA3150-x86-Release/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 4008 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagefiltersgraph_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12893249937179531749
+          4718081970778164796
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagefiltersgraph_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7845034512802194487
+          7619812422036040756
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
@@ skipping 2135 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }