Add Safety information to Settings > About Phone

The Safety information link is stored in a system property, ro.url.safetylegal

If the phone has data connection, select "Safety information" menu will open the
Safety information link.  If there is no data connection for the phone, a message will
pop up which ask user to open Safety information link from PC.

Change-Id: Ia46e2e868ebcda93138cb9f00c978d8ac827022a
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9393057..0cb88f1 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -249,6 +249,15 @@
             </intent-filter>
         </activity>
 
+        <activity android:name="SettingsSafetyLegalActivity"
+                android:label="@string/settings_safetylegal_activity_title"
+                android:theme="@*android:style/Theme.Dialog.Alert">
+            <intent-filter>
+                <action android:name="android.settings.SAFETY" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
         <activity android:name="ApplicationSettings" android:label="@string/applications_settings_header"
                 >
             <intent-filter>