Base: fix logic tinted system bar

1. fix action bar make statusbar icon changes with same color action bar text
       if current action bar background is null
2. move log into each bartransition so we can track what is changes
3. make process not changing system bar color
      if current screen color is same with before (less draw)
4. always reset system bar color when launching new apps
5. fix color changes using 3rd party app keyboard

Change-Id: If53178e24caae7dff30636eda440d0e618702e3e

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java