more rebaselines for shadertext2 and stroketext and a couple of mandrills

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

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 6047 matching lines @@
           "bitmap-64bitMD5", 
           14762739513429490065
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "stroketext_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7583514193287199499
+          13864788083336423375
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "stroketext_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17516750600602687530
+          7463337896229207134
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "tablecolorfilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           6155339908971373908
         ]
       ], 
       "bugs": [
         1578
@@ skipping 509 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }