Revert "SystemUI: Vector drawables for data activity resources"

Massive logspam and alignment issues. Revert for now

This reverts commit 6ee903388374eed4a518d63cd8b7171bb8df9093.

(cherry picked from commit b27e430e8e4c2f3cf0957318408f5a2258b22b6b)
SystemUI: Add dummy path for stat_sys_signal_none

Change-Id: I0e459002d84aef3f7ddc21134dc56d215de16a51
(cherry picked from commit 1a08f8e01275a1f49c163dd246d7c2113f85cd7e)

Conflicts:
	packages/SystemUI/res/drawable/stat_sys_signal_none.xml