Add blobshader GM baselines.

expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json

Index: expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
diff --git a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
index a534114231f223a030076f0032d0cea4b8ed25c5..6ebe37f5659d8ecded01c086e841663708f73cc5 100644
--- a/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
+++ b/expectations/gm/Test-Win8-ShuttleA-GTX660-x86-Release/expected-results.json
@@ -19038,6 +19038,42 @@
       ], 
       "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": [
         [