Adding SkLumaXfermode GM results.

expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
index 31e25a2e5e42874f2920cc6b32df6afe20acc50a..7dfa2cefcccacdc92a08c307c249401e6f156305 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
@@ -2742,6 +2742,39 @@
       ], 
       "ignore-failure": false
     }, 
+    "lumamode_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          7951614557271737272
+        ]
+      ]
+    }, 
+    "lumamode_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          13789424533151327678
+        ]
+      ]
+    }, 
+    "lumamode_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          2042506039399431249
+        ]
+      ]
+    }, 
+    "lumamode_pdf-poppler.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          7211757789072332485
+        ]
+      ],
+      "ignore-failure": true
+    }, 
     "matrixconvolution_565.png": {
       "allowed-digests": [
         [
@@ -4140,4 +4173,4 @@
       "ignore-failure": false
     }
   }
-}
+}