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
diff --git a/bpf_progs/netd.c b/bpf_progs/netd.c
index 96191d6..70e0ae7 100644
--- a/bpf_progs/netd.c
+++ b/bpf_progs/netd.c
@@ -352,3 +352,4 @@
 }
 
 LICENSE("Apache 2.0");
+CRITICAL("netd");