Merge "Prevent the screen reader box from unexpected scrolling in dream...

        mPreviewButton.setOnClickListener(v -> dreamBackend.preview(dreamBackend.getActiveDream()));

        mRecyclerView = super.onCreateRecyclerView(inflater, parent, bundle);

        // The enable/disable status change of the nested RecyclerView(Dream Picker) causes the

        // focus moving. Make the RecyclerView unfocusable to prevent the unexpected scrolling when

        // the focus changes in the TalkBack mode.

        mRecyclerView.setFocusable(false);

        updatePaddingForPreviewButton();

        return mRecyclerView;

    }