Allow BPF programs from vendor.

Who needs all those context switches?

bpfloader controls which types of vendor programs can be used.

Bug: 140330870
Bug: 162057235
Test: successfully load bpf programs from vendor
Change-Id: I36e4f6550da33fea5bad509470dfd39f301f13c8
diff --git a/private/property_contexts b/private/property_contexts
index 7106a51..b8709e8 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -269,7 +269,7 @@
 persist.vendor.apex.    u:object_r:apexd_select_prop:s0
 ro.boot.vendor.apex.    u:object_r:apexd_select_prop:s0
 
-bpf.progs_loaded        u:object_r:bpf_progs_loaded_prop:s0
+bpf.progs_loaded        u:object_r:bpf_progs_loaded_prop:s0 exact bool
 
 gsid.                   u:object_r:gsid_prop:s0
 ro.gsid.                u:object_r:gsid_prop:s0