Move Multi Sim settings above other settings

Change-Id: Id7ce844529299fa1e42bde5d433bc0ecd1c68527
(cherry picked from commit 5594eeb770c10190859471e75c52d9e1ecc18e2e)

Conflicts:
	res/xml/settings_headers.xml
Call equals() comparing different types

See: http://review.cyanogenmod.org/#/c/28642/
https://android-review.googlesource.com/#/c/45430/

Change-Id: I1ef553e5d64cb36e96fdb28e7f437efb9edd5c6d
(cherry picked from commit c133c9154cfd02c7f1ccc25a563436bb73626bc3)