Set some GC parameters only for dalvik

ART currently doesn't support setting heapminfree and heapconcurrentstart

Change-Id: I09e60802685acbec04598646e9f7700f33b53b4c
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
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 "Set some GC parameters only for dalvik" into kitkat
Merge branch 'kitkat' of https://github.com/AOKP/frameworks_base into kitkat