Revert "Remove netcfg's unused options."

This reverts commit f8e83054cb8a8b13ee84a4aeeaa0a2fd8debca81.

Change-Id: Iede772f96ff9008277df433dcbb5f6603de65283
diff --git a/adb/adb.c b/adb/adb.c
index 4258a01..c939ef0 100644
--- a/adb/adb.c
+++ b/adb/adb.c
@@ -1348,7 +1348,7 @@
     ** AID_ADB to access the USB driver
     ** AID_LOG to read system logs (adb logcat)
     ** AID_INPUT to diagnose input issues (getevent)
-    ** AID_INET to diagnose network issues (ping)
+    ** AID_INET to diagnose network issues (netcfg, ping)
     ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump)
     ** AID_SDCARD_R to allow reading from the SD card
     ** AID_SDCARD_RW to allow writing to the SD card