Revert "bpf: remove unnecessary prune and jump points"

This reverts commit 8266c47d which is
commit 618945fb upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Id463c785d61b9588f95ba45a11333c0900fe225a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>