Merge "[omni] Make AssistStateManager SafeCloseable." into main

import com.android.launcher3.R;

import com.android.launcher3.util.MainThreadInitializedObject;

import com.android.launcher3.util.ResourceBasedOverride;

import com.android.launcher3.util.SafeCloseable;

import java.io.PrintWriter;

import java.util.Optional;

/** Class to manage Assistant states. */

public class AssistStateManager implements ResourceBasedOverride {

public class AssistStateManager implements ResourceBasedOverride, SafeCloseable {

    public static final MainThreadInitializedObject<AssistStateManager> INSTANCE =

            forOverride(AssistStateManager.class, R.string.assist_state_manager_class);

    /** Dump states. */

    public void dump(String prefix, PrintWriter writer) {}

    @Override

    public void close() {}

}