Disable ticker preference [1/2]

Ticker can be annoying when you're getting spammed by an angry girlfriend
and various other girls at the same time.  Lets disable it until the problem
just goes away :D

Change-Id: I696dcc0e020e3548dabd5c801cafb4a5076f15bd

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Fix derp from last cherry-pick

Change-Id: I25690143f8b57e65e9910fe113ed7f507da2d89c