setting Rule 412 deadline more than 14 days before trial and denying request to amend the motion less than 14 days before trial); United States v. Valenzuela, No. Cr. 07-11, 2008 WL 2824958, at *4 n.12 (CD. Cal. July 21, 2008) ("Good cause exists to advance the deadline for filing a Rule 412(c) motion by