Add sample ATSC TvInputService app.

Change-Id: I67204020bf1eb0c833d507cb0c9e4914e5985b3c

samples/AtscTvInput/res/values/strings.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 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.
+-->
+
+<resources>
+    <string name="atsc_tv_input">AtscTvInput</string>
+    <string name="label">ATSC Sample Input</string>
+    <string name="channel_scan_message">Scanning channels, please wait...</string>
+</resources>