GalaxyParts: disable dlmk and process limit tweaks

Setting the process limit causes broadcast receivers to continually
loop, and dynamic lmk may not be needed for best performance in KitKat.

(cherry picked from commit 4ecff734c18a2a68205c25ea981a3dee1bb817cf)

Change-Id: I60bbd46dd0be77a8abb42da20a127e63f2b93a86