CMFM: Fix AssociationsDialog selection when have scrolling

Change-Id: I7f51e7a3225341e209e1b9b9c1f156ae9e9d55ef
JIRA: CYAN-1224
Issue: https://jira.cyanogenmod.org/browse/CYAN-1224
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>