TopologyScale helps to size the topology pane and properly size and
place the display blocks inside it. It is based on the algorithm
described in the design doc.
Test: TopologyScaleTest
Flag: com.android.settings.flags.display_topology_pane_in_display_list
Bug: b/352648432
Change-Id: I8932e80c2b490fab0097fa315e536b292376d4a8