Add expectations for dashing gm
TBR=bsalomon@google.com
BUG=skia:

Author: egdaniel@google.com

Review URL: https://codereview.chromium.org/330033002
diff --git a/expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86_64-Release/expected-results.json b/expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86_64-Release/expected-results.json
index b93aeb3..55143fb 100644
--- a/expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Ubuntu12-ShuttleA-GTX660-x86_64-Release/expected-results.json
@@ -6946,6 +6946,60 @@
       ], 
       "reviewed-by-human": true
     }, 
+    "dashing4_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          3905274096451946067
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "dashing4_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          1394068287232006716
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "dashing4_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          7921688531938911311
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "dashing4_msaa16.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          14799529456522288961
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "dashing4_nvprmsaa4.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          435692472891416959
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "dashing4_pdf-poppler.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          231561481260893579
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "dashing_565.png": {
       "allowed-digests": [
         [