Merge "Remove Activity if it enters PiP without window" into rvc-dev am:...

            }

            ensureActivityConfiguration(0 /* globalChanges */, PRESERVE_WINDOWS,

                    true /* ignoreVisibility */);

            if (inPictureInPictureMode && findMainWindow() == null) {

                // Prevent malicious app entering PiP without valid WindowState, which can in turn

                // result a non-touchable PiP window since the InputConsumer for PiP requires it.

                EventLog.writeEvent(0x534e4554, "265293293", -1, "");

                removeImmediately();

            }

        }

    }