Bug 1060470 - Handle orientation changes in search activity. r=lucasr

mobile/android/search/manifests/SearchAndroidManifest_activities.xml.in

@@ -3,6 +3,7 @@
             android:launchMode="singleTop"
             android:icon="@drawable/search_launcher"
             android:label="@string/search_app_name"
+            android:configChanges="orientation|screenSize"
             android:theme="@style/AppTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>