Disable low battery dialogs (1 of 2)

Summary:
I initially wrote this for Eos because it bugged the heck
out of me. I know my battery is low, stop taking focus
and be gone!

Change-Id: I0fd9e0c82ff465159da1aa881adeaeee6201414b

Test Plan: confirm and merge

Reviewers: synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D478