Rebaseline imagefiltersscaled GM.

expectations/gm/Test-Win7-ShuttleA-HD2000-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 7454 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagefiltersscaled_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2172843238646496675
+          11946238769617607854
         ]
       ]
     }, 
     "imagefiltersscaled_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8893133107973931063
+          2721829120942518508
         ]
       ]
     }, 
     "imagefiltersscaled_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10220015991633953250
+          16236721268324357263
         ]
       ]
     }, 
     "imagefiltersscaled_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2378924486338532427
+          7403124810876127284
         ]
       ]
     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           18120509887329722541
         ]
       ], 
@@ skipping 4036 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }