Add blobshader GM baselines.

expectations/gm/Test-Win8-ShuttleA-GTX660-x86_64-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 19020 matching lines @@
     }, 
     "textblob_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           1131824196339345229
         ]
       ], 
       "reviewed-by-human": true
     }, 
+    "textblobshader_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          7057717820172896383
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblobshader_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          2827534271877088467
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblobshader_msaa16.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          11846349558194211033
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblobshader_nvprmsaa4.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          4546610609677376852
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "texteffects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9805106273662486358
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "texteffects_8888.png": {
@@ skipping 1506 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10030599291822810250
         ]
       ], 
       "reviewed-by-human": false
     }
   }
 }