Add blobshader GM baselines.

expectations/gm/Test-Android-Nexus5-Adreno330-Arm7-Release/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16998423976396106083
         ]
       ], 
       "bugs": [
@@ skipping 9357 matching lines @@
     }, 
     "textblob_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           8796565274520104554
         ]
       ], 
       "reviewed-by-human": true
     }, 
+    "textblobshader_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          10038573095234517016
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblobshader_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          12792404775938562298
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "texteffects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           3352233736449563022
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "texteffects_8888.png": {
@@ skipping 705 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7017362768546994774
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }