rebaseline shadertext2 shadertext3 and stroketext (sans 2)

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

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 12938 matching lines @@
           "bitmap-64bitMD5", 
           867247292036335222
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext2_angle.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5367146087675467542
+          7842003984398750638
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext2_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16695735459924253465
         ]
@@ skipping 30 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "shadertext3_angle.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1761745708652001476
+          12520278946432405142
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext3_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           5929518241667351894
         ]
@@ skipping 2393 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }