Detect force visible nav bar based on kids mode.

WM was changed to use NAV_BAR_KIDS_MODE instead of NAV_BAR_FORCE_VISIBLE, this needs to update to match.

Fix: 229580780
Test: manual.
Change-Id: I38fb23dcc85676593a3f8f0851676bc526802d2e
(cherry picked from commit c773d7cdc809eb6e86a19ccf94ac435c44b79e97)
1 file changed