Add text blob gm baselines.

expectations/gm/Test-Android-Reference-Unknown-Arm64-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16998423976396106083
         ]
       ], 
       "reviewed-by-human": true
@@ skipping 11097 matching lines @@
     }, 
     "texdata_nvprmsaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           2736593828543197285
         ]
       ], 
       "reviewed-by-human": true
     }, 
+    "textblob_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          12981001219172992243
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblob_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          11233933658878737185
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblob_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          8630183506237151488
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblob_msaa16.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          8630183506237151488
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "textblob_nvprmsaa4.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          13303400708839738264
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "texteffects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4870039439888111538
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "texteffects_8888.png": {
@@ skipping 1161 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10030599291822810250
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }