Ignore failure of mixed_xfermodes_gpu on N4

BUG=skia:1596
NOTRY=true
R=epoger@google.com, bsalomon@google.com

Author: borenet@google.com

Review URL: https://codereview.chromium.org/190843004

git-svn-id: http://skia.googlecode.com/svn/trunk@13707 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Debug/expected-results.json b/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Debug/expected-results.json
index 7de6ab0..208e2d8 100644
--- a/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Debug/expected-results.json
+++ b/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Debug/expected-results.json
@@ -6916,12 +6916,13 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10531722056214126451
+          7758597652352633244
         ]
       ], 
       "bugs": [
-        2146
+        1596
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": true
     }, 
     "modecolorfilters_565.png": {
diff --git a/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Release/expected-results.json b/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Release/expected-results.json
index d5e0f6e..c355176 100644
--- a/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Release/expected-results.json
+++ b/expectations/gm/Test-Android-Nexus4-Adreno320-Arm7-Release/expected-results.json
@@ -6916,9 +6916,13 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7758597652352633244
+          10531722056214126451
         ]
       ], 
+      "bugs": [
+        1596
+      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": true
     }, 
     "modecolorfilters_565.png": {