Rebaseline 565 precision changes and matrixconvolution.

expectations/gm/Test-ChromeOS-Link-HD4000-x86_64-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 3936 matching lines @@
           "bitmap-64bitMD5", 
           1082062268335165982
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "gradtext_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10956751206816492827
+          5025305727406958156
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "gradtext_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           1624698241546705458
         ]
@@ skipping 531 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "matrixconvolution_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5146555870960300305
+          14870126594662014966
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "matrixconvolution_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          65884557519751415
+          4143151400782668729
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "matriximagefilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10858609396135450061
         ]
@@ skipping 2086 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }