Revert "livedisplay: Don't use singletons for the stack"

 * Broke livedisplay on multiple devices.

This reverts commit 18f4e8d82033f0f68c64f785f7733e188a7578f0.

Change-Id: I81cf3574028d006c3c56bf1d0fad153d03528f1d
12 files changed