New baselines for all currently-failing tests. All of these are minor pixel diffs, except for dashc…

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 4606 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "dashing3_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          592324931029193071
+          14873152030978477315
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "dashing3_pdf-poppler.png": {
       "allowed-digests": [
         [
@@ skipping 7954 matching lines @@
           6390212674028962030
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }