bpf_progs - mark all three as critical for netd

We run into all sorts of problems if these programs fail to load,
stuff like missing/broken functionality and systemserver/netd crash loops...

Test: builds
Bug: 150040815
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Original-Change: https://android-review.googlesource.com/1335754
Merged-In: Ia564a6a09f69a1fbcb4f67ee6befc17147fdaa8f
Change-Id: Ia564a6a09f69a1fbcb4f67ee6befc17147fdaa8f