Reapply "Define vintf_fragments as modules"

Previous commit was reverted as it removed wifi vintf fragment from
devices, which was caused by 'no_full_install' property from
vintf_fragment module. This change relands the change, with removing
no_full_install property from the vintf_fragment module

Bug: 322089980
Test: aosp_cf_x86_64_phone build succeeded
Test: mokey_go32 build contains
/vendor/etc/vintf/manifest/android.hardware.wifi.supplicant.xml file

Change-Id: I523ce570068b180805b65f984a0d6def0612db87