Settings: Re-add stop tracking listener in gesture navigation

Requires framework change:
c8d5f0f684

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>

src/com/android/settings/gestures/GestureNavigationSettingsFragment.java

@@ -244,7 +244,10 @@ public class GestureNavigationSettingsFragment extends DashboardFragment {
                 mIndicatorView.setIndicatorWidth(mCurrentRightWidth, false);
                 mIndicatorView.setIndicatorWidth(mCurrentLefttWidth, true);
             }
+            return true;
+        });
 
+        pref.setOnPreferenceChangeStopListener((p,v) -> {
             final float scale = mBackGestureInsetScales[(int) v];
             if (key == GESTURE_BACK_HEIGHT_KEY) {
                 mIndicatorView.setIndicatorWidth(0, false);