base: move AOKP symbols into symbols_custom

Therre were some symbols not in symbols_custom. Fixed.
Also, some Copyright headers updated.

Change-Id: Id02efc1b00bfbadd43481bc0c42966f9dd2b7682
Merge "base: move AOKP symbols into symbols_custom" into kitkat
Merge "base: move AOKP symbols into symbols_custom" into kitkat