Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1

res/layout/conversation_list_activity.xml

@@ -0,0 +1,23 @@
+<?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.
+-->
+<fragment
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    class="com.android.messaging.ui.conversationlist.ConversationListFragment"
+    android:id="@+id/conversation_list_fragment"
+    android:theme="@style/Theme.AppCompat.Light.DarkActionBar"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />