Add featureflag:load_dds_on_create

If this feature is enabled, Load default data subid onCreate
If this feature is disabled, sometimes dds change events may be
missed and remain at -1.

Bug: 310591561
Bug: 297319589
Test: manual bootup and verify
Change-Id: Ie27f0dfef48d1763c04cac98c60a8d5b31fdc1ef
1 file changed