[hostapd] Restore 802.11AC compilation option am: 2aa93c535a

Change-Id: I0bd5000c2370a885553b807c1ed80810dd02a6db
diff --git a/hostapd/android.config b/hostapd/android.config
index c53875c..cd54efc 100644
--- a/hostapd/android.config
+++ b/hostapd/android.config
@@ -125,6 +125,9 @@
 # the IEEE 802.11 Management capability (e.g., FreeBSD/net80211)
 #CONFIG_DRIVER_RADIUS_ACL=y
 
+# IEEE 802.11ac (Very High Throughput) support
+CONFIG_IEEE80211AC=y
+
 # Remove debugging code that is printing out debug messages to stdout.
 # This can be used to reduce the size of the hostapd considerably if debugging
 # code is not needed.