Give Wi-Fi Display settings split actionbar.

Bug: 8156190
Change-Id: I120398e33cfbbce001a528de04d62cc92fe2f9d9
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e68a068..4668dd9 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1238,6 +1238,7 @@
         </activity>
 
         <activity android:name="Settings$WifiDisplaySettingsActivity"
+                android:uiOptions="splitActionBarWhenNarrow"
                 android:label="@string/wifi_display_settings_title"
                 android:taskAffinity=""
                 android:excludeFromRecents="true">