Merge "Block activity launching if DWPC does not allow" into tm-dev

import java.io.PrintWriter;

import java.text.DateFormat;

import java.util.ArrayList;

import java.util.Date;

/**

            return START_PERMISSION_DENIED;

        }

        // Do not start the activity if target display's DWPC does not allow it.

        // We can't return fatal error code here because it will crash the caller of

        // startActivity() if they don't catch the exception. We don't expect 3P apps to make

        // changes.

        if (mPreferredTaskDisplayArea != null) {

            final DisplayContent displayContent = mRootWindowContainer.getDisplayContentOrCreate(

                    mPreferredTaskDisplayArea.getDisplayId());

            if (displayContent != null && displayContent.mDwpcHelper.hasController()) {

                final ArrayList<ActivityInfo> activities = new ArrayList<>();

                activities.add(r.info);

                final int targetWindowingMode = (targetTask != null)

                        ? targetTask.getWindowingMode() : displayContent.getWindowingMode();

                if (!displayContent.mDwpcHelper

                        .canContainActivities(activities, targetWindowingMode)) {

                    Slog.w(TAG, "Abort to launch " + r.info.getComponentName()

                            + " on display area " + mPreferredTaskDisplayArea);

                    return START_ABORTED;

                }

            }

        }

        return START_SUCCESS;

    }