Settings: Set key order during rebind

When the activity is resumed, injected preferences were losing their
order. This could potentially lead to two bottom preferences in a
given category. Ensure the order is retained during key rebind to
prevent such issues.

Follow up to change I666ebd7f90c11f1836bac10f7fca38baa5aedf93

Change-Id: I1dc0148c5595f20daf026970d6514e63776b0499
Signed-off-by: AnierinB <anierin@evolution-x.org>