Update browseable samples for lmp-docs

Synced to commit df5e5013422b81b4fd05c0ac9fd964b13624847a. Includes
new samples for Android Auto.

Change-Id: I3fec46e2a6b3f196682a92f1afd91eb682dc2dc1

samples/browseable/SlidingTabsBasic/res/values-v21/template-styles.xml

@@ -1,5 +1,5 @@
 <!--
-  Copyright 2013 The Android Open Source Project
+  Copyright 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.
@@ -12,8 +12,11 @@
   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="sample_show_log">Show Log</string>
-    <string name="sample_hide_log">Hide Log</string>
+
+    <!-- Activity themes -->
+    <style name="Theme.Base" parent="android:Theme.Material.Light" />
+
 </resources>

samples/browseable/SlidingTabsBasic/res/values/base-strings.xml

@@ -14,9 +14,6 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -->
-
-
-
 <resources>
     <string name="app_name">SlidingTabsBasic</string>
     <string name="intro_message">