Merge "Cancel previous IME window animation when switched"

            @Nullable TriConsumer<DisplayFrames, WindowState, Rect> frameProvider) {

        if (mWin != null) {

            mWin.setInsetProvider(null);

            // The window may be animating such that we can hand out the leash to the control

            // target. Revoke the leash by cancelling the animation to correct the state.

            // TODO: Ideally, we should wait for the animation to finish so previous window can

            // animate-out as new one animates-in.

            mWin.cancelAnimation();

        }

        mWin = win;

        mFrameProvider = frameProvider;