Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1
diff --git a/res/drawable/chips_dropdown_background.xml b/res/drawable/chips_dropdown_background.xml
new file mode 100644
index 0000000..48a727d
--- /dev/null
+++ b/res/drawable/chips_dropdown_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2015 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/chips_dropdown_background_activated"
+          android:state_activated="true"/>
+    <item android:drawable="@color/chips_dropdown_background_pressed" android:state_pressed="true"/>
+    <item android:drawable="@android:color/white"/>
+</selector>
\ No newline at end of file