Merge "Add timeout to AbstractLauncherUiTest.getOnUiThread" into sc-v2-dev am: 953641e2

import android.os.RemoteException;

import android.os.UserHandle;

import android.os.UserManager;

import android.system.OsConstants;

import android.util.Log;

import androidx.test.InstrumentationRegistry;

import java.util.concurrent.Callable;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.TimeUnit;

import java.util.concurrent.TimeoutException;

import java.util.function.Consumer;

import java.util.function.Function;

import java.util.function.Supplier;

     */

    protected <T> T getOnUiThread(final Callable<T> callback) {

        try {

            return mMainThreadExecutor.submit(callback).get();

            return mMainThreadExecutor.submit(callback).get(DEFAULT_UI_TIMEOUT,

                    TimeUnit.MILLISECONDS);

        } catch (TimeoutException e) {

            Log.e(TAG, "Timeout in getOnUiThread, sending SIGABRT", e);

            Process.sendSignal(Process.myPid(), OsConstants.SIGABRT);

            throw new RuntimeException(e);

        } catch (Throwable e) {

            throw new RuntimeException(e);

        }