Add Open Source licenses in about menu.

- Add command line switch for privacy policy url and eula url.

- Consolidate all browser switches inside BrowserSwitches class.

Change-Id: If0257c0e34e030a2619cb5957ad8c852c5a49633
diff --git a/res/xml/about_preferences.xml b/res/xml/about_preferences.xml
index 14bab64..2b156fa 100644
--- a/res/xml/about_preferences.xml
+++ b/res/xml/about_preferences.xml
@@ -56,4 +56,10 @@
     <Preference
         android:key="feedback"
         android:title="@string/feedback" />
+
+    <Preference
+        android:key="legal"
+        android:title="@string/swe_legal"
+        android:summary="@string/swe_pref_legal_info_summary"/>
+
 </PreferenceScreen>
diff --git a/res/xml/legal_preferences.xml b/res/xml/legal_preferences.xml
new file mode 100644
index 0000000..8727e3a
--- /dev/null
+++ b/res/xml/legal_preferences.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+    *
+    * Redistribution and use in source and binary forms, with or without
+    * modification, are permitted provided that the following conditions are
+    * met:
+    * * Redistributions of source code must retain the above copyright
+    * notice, this list of conditions and the following disclaimer.
+    * * Redistributions in binary form must reproduce the above
+    * copyright notice, this list of conditions and the following
+    * disclaimer in the documentation and/or other materials provided
+    * with the distribution.
+    * * Neither the name of The Linux Foundation nor the names of its
+    * contributors may be used to endorse or promote products derived
+    * from this software without specific prior written permission.
+    *
+    * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+    * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+    * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+    * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+    * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+    * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+    * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+    * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+    * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+    *
+    */
+-->
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:key="legal"
+    android:title="@string/swe_legal">
+    <Preference
+        android:key="legal_credits"
+        android:title="@string/swe_open_source_licenses"/>
+
+    <Preference
+        android:key="legal_eula"
+        android:title="@string/swe_eula" />
+
+    <Preference
+        android:key="legal_privacy_policy"
+        android:title="@string/swe_privacy_policy" />
+</PreferenceScreen>
\ No newline at end of file