Merge "Bring fullscreen backdrop frame back" into tm-dev

    private void setFrame(Rect frame) {

        mWinFrame.set(frame);

        final WindowConfiguration winConfig = getConfiguration().windowConfiguration;

        mPendingBackDropFrame.set(mPendingDragResizing && !winConfig.useWindowFrameForBackdrop()

                ? winConfig.getMaxBounds()

                : frame);

        // Surface position is now inherited from parent, and BackdropFrameRenderer uses backdrop

        // frame to position content. Thus, we just keep the size of backdrop frame, and remove the

        // offset to avoid double offset from display origin.

        mPendingBackDropFrame.set(frame);

        mPendingBackDropFrame.offsetTo(0, 0);

        mInsetsController.onFrameChanged(mOverrideInsetsFrame != null ?