Adding SkLumaXfermode GM results.

Review URL: https://codereview.chromium.org/23596004

git-svn-id: http://skia.googlecode.com/svn/trunk@10933 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/expectations/gm/Test-Android-Nexus7-Tegra3-Arm7-Debug/expected-results.json b/expectations/gm/Test-Android-Nexus7-Tegra3-Arm7-Debug/expected-results.json
index 2e5d3fb..bee3c4e 100644
--- a/expectations/gm/Test-Android-Nexus7-Tegra3-Arm7-Debug/expected-results.json
+++ b/expectations/gm/Test-Android-Nexus7-Tegra3-Arm7-Debug/expected-results.json
@@ -2835,6 +2835,30 @@
       ], 
       "ignore-failure": false
     }, 
+    "lumamode_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          14139681226373687263
+        ]
+      ]
+    }, 
+    "lumamode_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          9095296973707702820
+        ]
+      ]
+    }, 
+    "lumamode_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          8133243544350529939
+        ]
+      ]
+    }, 
     "matrixconvolution_565.png": {
       "allowed-digests": [
         [