Remove "Hotspot" key from settings search if not needed

- Remove "Hotspot" search key from TetherSettings

- Disable page search from WifiTetherSettings

Bug: 243876722
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=TetherSettingsTest
make RunSettingsRoboTests ROBOTEST_FILTER=WifiTetherSettingsTest

Change-Id: Ie04027600663321b35d8309c59084f630103e959

tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSettingsTest.java

@@ -37,6 +37,7 @@ import android.net.TetheringManager;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.UserManager;
+import android.util.FeatureFlagUtils;
 import android.widget.TextView;
 
 import androidx.fragment.app.FragmentActivity;
@@ -44,6 +45,7 @@ import androidx.preference.PreferenceScreen;
 import androidx.test.core.app.ApplicationProvider;
 
 import com.android.settings.R;
+import com.android.settings.core.FeatureFlags;
 import com.android.settings.dashboard.RestrictedDashboardFragment;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.shadow.ShadowFragment;
@@ -93,6 +95,7 @@ public class WifiTetherSettingsTest {
 
     @Before
     public void setUp() {
+        FeatureFlagUtils.setEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE, false);
         setCanShowWifiHotspotCached(true);
         doReturn(mWifiManager).when(mContext).getSystemService(WifiManager.class);
         doReturn(mConnectivityManager)
@@ -218,6 +221,22 @@ public class WifiTetherSettingsTest {
         assertThat(keys).contains(WifiTetherSettings.KEY_WIFI_TETHER_MAXIMIZE_COMPATIBILITY);
     }
 
+    @Test
+    public void isPageSearchEnabled_canShowWifiHotspot_returnTrue() {
+        setCanShowWifiHotspotCached(true);
+
+        assertThat(WifiTetherSettings.SEARCH_INDEX_DATA_PROVIDER.isPageSearchEnabled(mContext))
+                .isTrue();
+    }
+
+    @Test
+    public void isPageSearchEnabled_canNotShowWifiHotspot_returnFalse() {
+        setCanShowWifiHotspotCached(false);
+
+        assertThat(WifiTetherSettings.SEARCH_INDEX_DATA_PROVIDER.isPageSearchEnabled(mContext))
+                .isFalse();
+    }
+
     private void spyWifiTetherSettings() {
         mWifiTetherSettings = spy(new WifiTetherSettings(mWifiRestriction));
         final FragmentActivity activity = mock(FragmentActivity.class);