Merge "Allow TRANSIT_TO_FRONT to enter PiP if needed" into main

import static android.view.WindowManager.TRANSIT_OPEN;

import static android.view.WindowManager.TRANSIT_PIP;

import static android.view.WindowManager.TRANSIT_TO_BACK;

import static android.view.WindowManager.TRANSIT_TO_FRONT;

import static android.view.WindowManager.transitTypeToString;

import static android.window.TransitionInfo.FLAG_IS_DISPLAY;

                && change.getTaskInfo().getWindowingMode() == WINDOWING_MODE_PINNED

                && !change.getContainer().equals(mCurrentPipTaskToken)) {

            // We support TRANSIT_PIP type (from RootWindowContainer) or TRANSIT_OPEN (from apps

            // that enter PiP instantly on opening, mostly from CTS/Flicker tests)

            if (transitType == TRANSIT_PIP || transitType == TRANSIT_OPEN) {

            // that enter PiP instantly on opening, mostly from CTS/Flicker tests).

            // TRANSIT_TO_FRONT, though uncommon with triggering PiP, should semantically also

            // be allowed to animate if the task in question is pinned already - see b/308054074.

            if (transitType == TRANSIT_PIP || transitType == TRANSIT_OPEN

                    || transitType == TRANSIT_TO_FRONT) {

                return true;

            }

            // This can happen if the request to enter PIP happens when we are collecting for