Remove unused imports

import com.android.internal.annotations.GuardedBy;

import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.os.BinderInternal.CallSession;

import com.android.internal.util.Preconditions;

import com.android.server.LocalServices;

import java.io.PrintWriter;

import java.lang.reflect.Method;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Collections;

import java.util.Comparator;

import java.util.List;

import java.util.Map;

import java.util.Queue;

import java.util.Random;

import java.util.Set;

import java.util.concurrent.ConcurrentLinkedQueue;

import java.util.function.Function;

import java.util.function.ToDoubleFunction;

/**

package com.android.internal.os;

import android.content.Context;

import static org.junit.Assert.assertEquals;

import android.content.Intent;

import android.os.BatteryManager;

import android.os.Binder;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Random;

import static org.junit.Assert.assertEquals;

@SmallTest

@RunWith(AndroidJUnit4.class)

@Presubmit