gello: disabled icon for forward button in menu

Signed-off-by: jrizzoli <joey@cyanogenmoditalia.it>
diff --git a/res/drawable/ic_action_history_forward.xml b/res/drawable/ic_action_history_forward.xml
index 199c7c7..c9047f8 100644
--- a/res/drawable/ic_action_history_forward.xml
+++ b/res/drawable/ic_action_history_forward.xml
@@ -1,11 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_enabled="true"
+        android:drawable="@drawable/ic_action_history_forward_enabled" />
 
-    <path
-        android:fillColor="@color/icon_black"
-        android:pathData="M12 4l-1.41 1.41L16.17 11H4v2h12.17l-5.58 5.59L12 20l8-8z" />
-</vector>
+    <item android:state_enabled="false"
+        android:drawable="@drawable/ic_action_history_forward_disabled" />
+</selector>
diff --git a/res/drawable/ic_action_history_forward_disabled.xml b/res/drawable/ic_action_history_forward_disabled.xml
new file mode 100644
index 0000000..839473a
--- /dev/null
+++ b/res/drawable/ic_action_history_forward_disabled.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="@color/grey"
+        android:pathData="M12 4l-1.41 1.41L16.17 11H4v2h12.17l-5.58 5.59L12 20l8-8z" />
+</vector>
diff --git a/res/drawable/ic_action_history_forward_enabled.xml b/res/drawable/ic_action_history_forward_enabled.xml
new file mode 100644
index 0000000..199c7c7
--- /dev/null
+++ b/res/drawable/ic_action_history_forward_enabled.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="@color/icon_black"
+        android:pathData="M12 4l-1.41 1.41L16.17 11H4v2h12.17l-5.58 5.59L12 20l8-8z" />
+</vector>