dxgitrace: Add comment about g_WrappedObjects protection.
dxgitrace: Add comment about g_WrappedObjects protection.

Signed-off-by: Andrii Simiklit <a980bc4f02d460c2f31e0c1203b32ad5e0dd514b@globallogic.com>

apitrace/apitrace,apitrace/apitrace,apitrace/apitrace,apitrace/apitrace