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

expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 17597 matching lines @@
           "bitmap-64bitMD5", 
           1843194965390816202
         ]
       ], 
       "reviewed-by-human": false
     }, 
     "pictureshader_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9113009815385651133
+          12666548013433441054
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4382565237857353761
+          12955023801456337156
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13811718076237457114
+          12936377343272035635
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_msaa16.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14242014896861308217
+          2637733262014132857
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13811718076237457114
+          12936377343272035635
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshader_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2724395556766072278
+          4045356330475027745
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "pictureshadertile_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9326495518356380684
         ]
@@ skipping 5031 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           11835374726311942978
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }