[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: Ic62c459146938615f56b77d60f743d25cf7ca382

Conflicts:
	packages/SystemUI/AndroidManifest.xml