Game Driver: Add footer to the dashboard

This change adds a footer to the current dashboard to show some
descriptions when the whole module is turned off.

Bug: 119221883
Test: make RunSettingsRoboTests
Change-Id: I9788d4c64b06deb099a43e8db7eecab20a85f494
Merged-In: I9788d4c64b06deb099a43e8db7eecab20a85f494
4 files changed