add SIOCGIFINDEX to list of unprivileged socket ioctls

Addresses
avc: denied { ioctl } for path="socket:[69748]" dev="sockfs" ino=69748
ioctlcmd=8933 scontext=u:r:untrusted_app:s0:c512,c768
tcontext=u:r:untrusted_app:s0:c512,c768 tclass=udp_socket

Change-Id: Iee3821ade9dc044fa03705902923ed18c91425dd

ioctl_macros

@@ -3,7 +3,7 @@ define(`unpriv_sock_ioctls', `
 {
 # Socket ioctls for gathering information about the interface
 SIOCGIFNAME SIOCGIFCONF SIOCGIFFLAGS SIOCGIFADDR SIOCGIFBRDADDR
-SIOCGIFNETMASK SIOCGIFMTU SIOCGIFCOUNT SIOCGIFTXQLEN
+SIOCGIFNETMASK SIOCGIFMTU SIOCGIFINDEX SIOCGIFCOUNT SIOCGIFTXQLEN
 # Wireless extension ioctls. Primarily get functions.
 SIOCGIWNAME SIOCGIWFREQ SIOCGIWMODE SIOCGIWSENS SIOCGIWRANGE SIOCGIWPRIV
 SIOCGIWSTATS SIOCGIWSPY SIOCSIWTHRSPY SIOCGIWTHRSPY SIOCGIWRATE SIOCGIWRTS
@@ -21,7 +21,7 @@ WAN_IOC_ADD_FLT_RULE WAN_IOC_ADD_FLT_INDEX
 SIOCADDRT SIOCDELRT SIOCRTMSG SIOCSIFLINK SIOCSIFFLAGS SIOCSIFADDR SIOCGIFDSTADDR
 SIOCSIFDSTADDR SIOCSIFBRDADDR SIOCSIFNETMASK SIOCGIFMETRIC SIOCSIFMETRIC SIOCGIFMEM
 SIOCSIFMEM SIOCSIFMTU SIOCSIFNAME SIOCSIFHWADDR SIOCGIFENCAP SIOCSIFENCAP
-SIOCGIFHWADDR SIOCGIFSLAVE SIOCSIFSLAVE SIOCADDMULTI SIOCDELMULTI SIOCGIFINDEX
+SIOCGIFHWADDR SIOCGIFSLAVE SIOCSIFSLAVE SIOCADDMULTI SIOCDELMULTI
 SIOCSIFPFLAGS SIOCGIFPFLAGS SIOCDIFADDR SIOCSIFHWBROADCAST SIOCGIFBR SIOCSIFBR
 SIOCSIFTXQLEN SIOCETHTOOL SIOCGMIIPHY SIOCGMIIREG SIOCSMIIREG SIOCWANDEV
 SIOCOUTQNSD SIOCDARP SIOCGARP SIOCSARP SIOCDRARP SIOCGRARP SIOCSRARP SIOCGIFMAP