Add null check for lifecycle

- Add a null check so that search works correctly in
 DevelopmentSettingsDashboardFragment

Bug: 34203528
Test: Manual Testing
Change-Id: I26e84d2dcb403a2e68d092056a6c8940becedeff

packages/SettingsLib/src/com/android/settingslib/development/AbstractLogpersistPreferenceController.java

@@ -68,7 +68,7 @@ public abstract class AbstractLogpersistPreferenceController extends
 
     public AbstractLogpersistPreferenceController(Context context, Lifecycle lifecycle) {
         super(context);
-        if (isAvailable()) {
+        if (isAvailable() && lifecycle != null) {
             lifecycle.addObserver(this);
         }
     }