more rebaselines for shadertext2 and stroketext and a couple of mandrills

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9785004568147979273
         ]
       ], 
       "bugs": [
@@ skipping 12270 matching lines @@
       ], 
       "bugs": [
         2146
       ], 
       "reviewed-by-human": false
     }, 
     "stroketext_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5910714992094800131
+          8180418942493508038
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "stroketext_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2516935503964011980
+          7491421414066943529
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "stroketext_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1894478955988937237
+          5234974880214733565
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "stroketext_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16522941176943328778
         ]
       ], 
       "reviewed-by-human": false
     }, 
@@ skipping 1096 matching lines @@
           15843716056234692659
         ]
       ], 
       "bugs": [
         2146
       ], 
       "reviewed-by-human": false
     }
   }
 }