First round of matrixconvolution rebaselines.

expectations/gm/Test-Ubuntu13-ShuttleA-HD2000-x86_64-Debug-ASAN/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 8283 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "matrixconvolution_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12455136854619171244
+          14337201570310240929
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "matrixconvolution_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9943266719997068819
+          11202438527860078687
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "matrixconvolution_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16523769565244048541
+          17973949512439357952
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "matrixconvolution_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5335002264083365239
+          5235903435817353990
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "megalooper_0x0_565.png": {
       "allowed-digests": [
         [
@@ skipping 3893 matching lines @@
           4745935902621983993
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }