Kill+restart tasks before/after decoder init.

public class StatsUtilsManager {

    private static final StatsUtilsManager sInstance = new StatsUtilsManager();

    private static StatsUtilsManager sTestInstance = null;

    /**

     * @return the singleton instance of {@link StatsUtilsManager}.

     */

    public static StatsUtilsManager getInstance() {

        return sInstance;

        return sTestInstance != null ? sTestInstance : sInstance;

    }

    public static void setTestInstance(final StatsUtilsManager testInstance) {

        sTestInstance = testInstance;

    }

    public void onCreate(final Context context, final DictionaryFacilitator dictionaryFacilitator) {

import java.lang.Thread.UncaughtExceptionHandler;

import java.util.concurrent.Executors;

import java.util.concurrent.ScheduledExecutorService;

import java.util.concurrent.ScheduledFuture;

import java.util.concurrent.ThreadFactory;

import java.util.concurrent.TimeUnit;

        return sExecutorService;

    }

    public static void killTasks() {

        getBackgroundExecutor().shutdownNow();

        try {

            getBackgroundExecutor().awaitTermination(5, TimeUnit.SECONDS);

        } catch (InterruptedException e) {

            Log.wtf(TAG, "Failed to shut down background task.");

            throw new IllegalStateException("Failed to shut down background task.");

        }

    }

    public static Runnable chain(final Runnable... runnables) {

        return new RunnableChain(runnables);

    }