Merge "Fix potential leakage of InputWindowHandle from display removal"

    void onDisplayRemoved() {

        mHandler.removeCallbacks(mUpdateInputWindows);

        mHandler.post(() -> {

            // Make sure any pending setInputWindowInfo transactions are completed. That prevents

            // the timing of updating input info of removed display after cleanup.

            mService.mTransactionFactory.get().syncInputWindows().apply();

            // It calls InputDispatcher::setInputWindows directly.

            mService.mInputManager.onDisplayRemoved(mDisplayId);

        });

        mDisplayRemoved = true;

    }