Settings search - Navigate user to exact page

- remove duplicate index preference
- default set searchable = false when the preference has fragment
- make some fragments indexable

Bug: 143057584
Test: robotest & manual

Change-Id: I4d64f6106d2f92f0a45e8c7e26388677f593f412

src/com/android/settings/wifi/p2p/WifiP2pSettings.java

@@ -56,14 +56,17 @@ import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.search.SearchIndexable;
 
 import java.util.ArrayList;
 import java.util.List;
 
-/*
+/**
  * Displays Wi-fi p2p settings UI
  */
+@SearchIndexable
 public class WifiP2pSettings extends DashboardFragment
         implements PersistentGroupInfoListener, PeerListListener, DeviceInfoListener {
 
@@ -631,4 +634,7 @@ public class WifiP2pSettings extends DashboardFragment
             });
         }
     }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.wifi_p2p_settings);
 }