Merge "Track trusted private virtual displays in A11yService" into main

            if (display == null) {

                return false;

            }

            // Private virtual displays are created by the ap and is not allowed to access by other

            // aps. We assume we could ignore them.

            // The exceptional case is for bubbles. Because the bubbles use the activityView, and

            // Untrusted private virtual displays are created by an app and are not allowed to be

            // accessed by other apps. We assume we could ignore them.

            // Trusted private virtual displays can host activities, as long as they are launched

            // by the display owner or an app already on the display.

            // Another exception is bubbles. Because the bubbles use the activityView, and

            // the virtual display of the activityView is private, so if the owner UID of the

            // private virtual display is the one of system ui which creates the virtual display of

            // bubbles, then this private virtual display should track the windows.

            if (display.getType() == Display.TYPE_VIRTUAL

                    && (display.getFlags() & Display.FLAG_PRIVATE) != 0

                    && (display.getFlags() & Display.FLAG_TRUSTED) == 0

                    && display.getOwnerUid() != mSystemUiUid) {

                return false;

            }