Remove ELF PRODUCT_COPY_FILES

We're banning ELF prebuilts in PRODUCT_COPY_FILES. Define prebuilt
modules for vendor prebuilts so we can run check_elf_file.py on them.
Use PRODUCT_PACKAGES to install ELF prebuilts.

Bug: 140560012
Test: run ./generate-packages.sh with BID 6406761
Change-Id: Idf3b250869fee88835160723d6e61f62c3a89fb9
3 files changed