Settings - add support for Launch by Default

- implement UX spec

Change-Id: I7ee8962f83983273d809e0ef6fc81b0eb2df15dd
diff --git a/res/layout/default_apps_view.xml b/res/layout/default_apps_view.xml
new file mode 100644
index 0000000..3c8cc29
--- /dev/null
+++ b/res/layout/default_apps_view.xml
@@ -0,0 +1,45 @@
+<?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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+    <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="0px"
+            android:layout_weight="1">
+
+        <ListView android:id="@android:id/list"
+                style="@style/PreferenceFragmentListSinglePane"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:drawSelectorOnTop="false"
+                android:scrollbarStyle="outsideOverlay"
+                android:fastScrollEnabled="true" />
+
+        <TextView android:id="@android:id/empty"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:text="@string/no_default_apps"
+                android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    </FrameLayout>
+
+</LinearLayout>