More fixes to carrier logo on statusbar

- fixed missing logo after boot
- use another way to get carrier logo
- fixed cdma missing logo problem

Change-Id: I53ccd4d65e4ae87de7908ab48caf2a5d6727c99c

Conflicts:
	packages/SystemUI/res/values/custom_dimens.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java