Revert "overlay: set config_symKeyShowsImePicker to false"

This reverts commit 354383bc3dbcb221482fc73b0e20c9ff2866169d.
updates from Andromadus vision repo (Flinny & Juansheng)

Change-Id: Ieea588ddf6120729816c9f9c7ea8ab142c72e8f8

Conflicts:
	ramdisk/init.spade.rc
update ueventd

Based on Andromadus vision

Change-Id: I819e0316769590003df271f7868eadc5a49e98a3