[1/2] base: add CPU info overlay

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

PS3:
increased font size

PS4:
whitespace cleanup

PS5:
more of that :(

Change-Id: I8e2fd81edd8499eea2b1a6de8c042938387b33ef

Conflicts:
	core/java/android/provider/Settings.java
(1/2) Base: allow to configure the long press back kill delay

defaults to 1000ms (1 second)

Change-Id: I82441d5947940c95ffb62804416f37282a86c54d

Conflicts:
	core/java/android/provider/Settings.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java