Exclue Scanning Settings for searchable in ARC.

Scanning settings is actually done outside of Android, in the host OS.

Bug: 120222705
Test: RunSettingsRoboTests RunArcSettingsRoboTests
Change-Id: I92435541a671c43d3584f1f223b8b744e6182aa9
diff --git a/src/com/android/settings/location/ScanningSettings.java b/src/com/android/settings/location/ScanningSettings.java
index b2ce5fb..86402c0 100644
--- a/src/com/android/settings/location/ScanningSettings.java
+++ b/src/com/android/settings/location/ScanningSettings.java
@@ -34,7 +34,7 @@
 /**
  * A page that configures the background scanning settings for Wi-Fi and Bluetooth.
  */
-@SearchIndexable
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
 public class ScanningSettings extends DashboardFragment {
     private static final String TAG = "ScanningSettings";