Add text blob gm baselines.

expectations/gm/Test-Ubuntu13.10-ShuttleA-NoGPU-x86_64-Debug-Recipes/expected-results.json

 {
   "expected-results": {
     "astcbitmap_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7296080463405164282
         ]
       ], 
       "reviewed-by-human": true
@@ skipping 35 matching lines @@
       "reviewed-by-human": true
     }, 
     "etc1bitmap_r11.ktx_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4552201006453026620
         ]
       ], 
       "reviewed-by-human": true
+    }, 
+    "textblob_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          6283582074892934398
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblob_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          11990496565593787222
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblob_pdf-poppler.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          2298347222358284753
+        ]
+      ], 
+      "reviewed-by-human": true
     }
   }
 }