Revert "Export missing internal resource as symbol"

This reverts commit 5d2ac66fd7a807582efc2136f54d39c2370a5565.
systemui: Unbreak the planet

 * Not sure who to blame, but it's probably themes... :)

Change-Id: I0c534354a699f756d809aff10843ebea21f3f369

Conflicts:
	packages/SystemUI/proguard.flags