Adding SkLumaXfermode GM results.

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
index 05488601c8f21c6bbe5f3dec3c26d3e790510fec..aeb17214feb0db296a5c190f93a826755aa7f1df 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
@@ -2742,6 +2742,39 @@
       ], 
       "ignore-failure": false
     }, 
+    "lumamode_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          7384879675028140231
+        ]
+      ]
+    }, 
+    "lumamode_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          12788881843097605555
+        ]
+      ]
+    }, 
+    "lumamode_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          8651505370041252446
+        ]
+      ]
+    }, 
+    "lumamode_pdf-poppler.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          4995743986536267719
+        ]
+      ],
+      "ignore-failure": true
+    }, 
     "matrixconvolution_565.png": {
       "allowed-digests": [
         [
@@ -4122,4 +4155,4 @@
       "ignore-failure": false
     }
   }
-}
+}