Add net_raw and net_admin capabilities for hostapd

On some platform the extended capabilities in fs_config.c is
not sourced. We need specify them in the rc file.

Bug: 62112526
Test: compile, manual test
Change-Id: I7cfbbe91f7003a9c60538ad007f888c07b75afaf
diff --git a/hostapd/hostapd.android.rc b/hostapd/hostapd.android.rc
index 08ea488..672e188 100644
--- a/hostapd/hostapd.android.rc
+++ b/hostapd/hostapd.android.rc
@@ -14,7 +14,7 @@
         /data/misc/wifi/hostapd.conf
     class main
     user wifi
-    group wifi
+    group wifi net_raw net_admin
     writepid /data/misc/wifi/hostapd.pid
     disabled
     oneshot