gki-common-kernel

ANDROID: rockpi4 uses pkg_install().

copy_to_dist_dir is going to be deprecated soon. Switch to
pkg_install().

The only noticable difference is that, if a user specifies
an alternative distribution directory, they must use
--destdir, not --dist_dir.

Bug: 331730853
Change-Id: I0e03fffd907443a3f87267d9b4fbd80ee939cb85
Signed-off-by: HONG Yifan <elsk@google.com>