Yet more testimagefilters and imagefilterscropped rebaselines.

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 7078 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagefilterscropped_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9665705870880200206
+          9077118465059536410
         ]
       ]
     }, 
     "imagefilterscropped_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9280149324796697606
+          1077014314554313139
         ]
       ]
     }, 
     "imagefilterscropped_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11886632383343158012
+          15217122207501330203
         ]
       ]
     }, 
     "imagefilterscropped_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           769452026170728007
         ]
       ], 
@@ skipping 3028 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "testimagefilters_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2449762981896068609
+          3304366110715188942
         ]
       ], 
       "ignore-failure": false
     }, 
     "testimagefilters_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          91395995868500721
+          5928970899626338354
         ]
       ], 
       "ignore-failure": false
     }, 
     "testimagefilters_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           6478547052722362824
         ]
@@ skipping 801 matching lines @@
           "bitmap-64bitMD5", 
           13996013494185391731
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
-}
+}