Add a basic target_files.zip

Only contains the vendor image files for now, will expand in followup
cls.

Bug: 385383524
Test: m out/soong/.intermediates/build/soong/fsgen/aosp_cf_x86_64_phone_generated_device/android_common/target_files.zip
Change-Id: I517e7022b5c6294a2f8e5246f52897b406b63cd7