Fix rild policy to accomodate minijail

Fix denials related to lack of setgid and setpcap priviledges.
These were introduced when minijail was used to do sandboxing.

Bug: 28178548
Change-Id: I85fd4abbe55258de61d20d827baf59bbca0679e7
Test: rild no longer crash loops

rild.te

@@ -6,7 +6,7 @@ init_daemon_domain(rild)
 net_domain(rild)
 allow rild self:netlink_route_socket nlmsg_write;
 allow rild kernel:system module_request;
-allow rild self:capability { setuid net_admin net_raw };
+allow rild self:capability { setpcap setgid setuid net_admin net_raw };
 allow rild alarm_device:chr_file rw_file_perms;
 allow rild cgroup:dir create_dir_perms;
 allow rild radio_device:chr_file rw_file_perms;