bpf_helpers: infra for per sdk level bpf programs

This will allow build time compiling versions of an ebpf program
with sdk level specific behaviour.

The mainline bpfloader already supports loading programs
based on the sdk level, so this builds on that.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I97078c6bdf4cef143cdfeed6ea8e2594bd1f5cd6
1 file changed