Rebaseline GMs with missing expectated images and shadertext2 msaa

expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 13701 matching lines @@
           "bitmap-64bitMD5", 
           14256199029854029755
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext2_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7542007492325013368
+          8978465217429079738
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext2_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4476598439666136433
         ]
@@ skipping 2580 matching lines @@
           7829854837061118142
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }