[1/2] Setting for translucent statusbar on lockscreen

Change-Id: Id298c981c5c065d9d311fff8f71d140e702b4bc8

Conflicts:
	packages/SystemUI/res/layout/navigation_bar.xml
	packages/SystemUI/res/values/colors.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
[1/2] base: add CPU info overlay

this shows
CPU temp (if available)
for every core governor + online + freq

Change-Id: I8e2fd81edd8499eea2b1a6de8c042938387b33ef