Rebaseline pictureshader GM after http://crrev.com/852213002

expectations/gm/Test-Mac10.6-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 12897 matching lines @@
           "bitmap-64bitMD5", 
           6108713926578393015
         ]
       ], 
       "reviewed-by-human": false
     }, 
     "pictureshader_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17167504351665242025
+          13086683117104852386
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6493310883399133453
+          17461868971238166317
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10576703714664250195
+          8717700722533564256
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15335798786120602536
+          15831902843234699685
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshadertile_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           829769456197975356
         ]
@@ skipping 4000 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           11835374726311942978
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }