Support horizontal swipe in combo activity

 Bug: 5145315

Change-Id: I1e9b4a6bae325244c7a3fb6159deadc3fcf170e6
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9a8a73b..e21c539 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -192,8 +192,7 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="ComboViewActivity"
-                  android:configChanges="orientation|keyboardHidden|keyboard|screenSize">
+        <activity android:name="ComboViewActivity">
         </activity>
 
         <!-- Bookmark thumbnail homescreen widget -->