Merge "Resolve NPE on widget.provider.id" into rvc-dev am: f5de7b09

import static android.content.Context.KEYGUARD_SERVICE;

import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;

import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;

import static com.android.server.pm.PackageManagerService.PLATFORM_PACKAGE_NAME;

import android.annotation.UserIdInt;

import android.view.Display;

import android.view.View;

import android.widget.RemoteViews;

import com.android.internal.R;

import com.android.internal.app.SuspendedAppActivity;

import com.android.internal.app.UnlaunchableAppActivity;

import com.android.server.LocalServices;

import com.android.server.WidgetBackupProvider;

import com.android.server.policy.IconUtilities;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import org.xmlpull.v1.XmlSerializer;

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.util.Objects;

import java.util.Set;

import java.util.concurrent.atomic.AtomicLong;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import org.xmlpull.v1.XmlSerializer;

class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBackupProvider,

        OnCrossProfileWidgetProvidersChangeListener {

                final int widgetCount = mWidgets.size();

                for (int i = 0; i < widgetCount; i++) {

                    final Widget widget = mWidgets.get(i);

                    if  (widget.host.id.uid == uid) {

                    if  (widget.host.id.uid == uid && widget.provider != null) {

                        if (widgetPackages == null) {

                            widgetPackages = new ArraySet<>();

                        }