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: 152277096
Bug: 140560012
Test: run ./generate-packages.sh with BID 6345366
Test: build aosp_taimen-userdebug on \
  rvc-dev-plus-aosp-without-vendor with the generated tarball
Change-Id: I1a715ac89aef6faf2cc88fbf7d4336e79f21e7ca
2 files changed