[hostapd] Restore 802.11AC compilation option
802.11AC compilation option was removed due to a merge error.
Restore the option to enable VHT functionality.
Bug: 155139712
Test: Compiles
Test: Start SAP, connect with STA and run traffic
Change-Id: I614323f6b37921569c500bf1292788e5bc689370
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.