Merge "Relax null parameter enforcement for legacy apps"

import android.os.Parcel;

import android.os.Parcelable;

import android.os.RemoteException;

import android.os.SystemClock;

import android.os.UserHandle;

import android.os.WorkSource;

import android.text.TextUtils;

     * {@link Intent#filterEquals}), will be canceled.

     *

     * @param operation IntentSender which matches a previously added

     * IntentSender.

     * IntentSender. This parameter must not be {@code null}.

     *

     * @see #set

     */

    public void cancel(PendingIntent operation) {

        if (operation == null) {

            throw new NullPointerException("operation");

            final String msg = "cancel() called with a null PendingIntent";

            if (mTargetSdkVersion >= Build.VERSION_CODES.N) {

                throw new NullPointerException(msg);

            } else {

                Log.e(TAG, msg);

                return;

            }

        }

        try {

     */

    public void cancel(OnAlarmListener listener) {

        if (listener == null) {

            throw new NullPointerException("listener");

            throw new NullPointerException("cancel() called with a null OnAlarmListener");

        }

        ListenerWrapper wrapper = null;