Update divider value when config changed

Divider size and insets value might be changed when config changed,
we should update them too otherwise divider would keep same area
on SplitLayout but actually view area become small or large.

Bug: 256117210
Test: manual
Test: pass existing tests
Change-Id: I6532f41c58848797f14ae17cb26f1ae734c53573
1 file changed