Do not show toggle for location tz detection in search.

It also makes setting in line with "Set time zone
automatically", which is rendered w/o toggle on search page.

Bug: 185906072
Test: manually verified that toggle is not shown
Test: m -j30 RunSettingsRoboTests ROBOTEST_FILTER="com.android.settings.datetime.LocationTimeZoneDetectionPreferenceControllerTest"
Change-Id: Ie71572c4a9b9bd6adf3660556363331e2943fd5b

src/com/android/settings/datetime/LocationTimeZoneDetectionPreferenceController.java

@@ -109,6 +109,14 @@ public class LocationTimeZoneDetectionPreferenceController
         mTimeManager.removeTimeZoneDetectorListener(this);
     }
 
+    @Override
+    public boolean isSliceable() {
+        // Prevent use in a slice, which would enable search to display a toggle in the search
+        // results: LocationToggleDisabledDialogFragment has to be shown under some circumstances
+        // which doesn't work when embedded in search. b/185906072
+        return false;
+    }
+
     @Override
     public int getAvailabilityStatus() {
         TimeZoneCapabilities timeZoneCapabilities =

tests/robotests/src/com/android/settings/datetime/LocationTimeZoneDetectionPreferenceControllerTest.java

@@ -86,6 +86,11 @@ public class LocationTimeZoneDetectionPreferenceControllerTest {
         verify(mTimeManager).updateTimeZoneConfiguration(expectedConfiguration);
     }
 
+    @Test
+    public void isNotSliceable() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+
     @Test
     public void setChecked_withTrue_shouldDoNothing_whenLocationIsDisabled() {
         when(mLocationManager.isLocationEnabled()).thenReturn(false);