Nexus: Clean up supplicant events, protocol, and continue plumbing

    - Create SupplicantEvent classes for events
    - New SupplicantEventFactory for creating events
    - Extract Controller -> NetworkManager callbacks into IControllerHandler
    - Move ScanResult handling from Supplicant -> WifiController
    - Plumb more 'onConnected()' code
    - Instead of re-creating NetworkList every-time, merge in
      new entries
    - Extract SupplicantListener -> Supplicant callbacks into
      ISupplicantEventHandler
    - Move SupplicantListener callback handling to WifiController
    - Add unlocked version of lookupNetwork()
    - Save supplicant config after setting a WifiNetwork variable
    - Move property registration from WifiNetwork -> Supplicant
    - Change wifi enable broadcast messages
    - Add 3 new events: 'onAssociating', 'onAssociated', 'onConnectionTimeout'
    - Add support for handling KeyManagement

Signed-off-by: San Mehat <san@google.com>
diff --git a/nexus/SupplicantAssociatedEvent.h b/nexus/SupplicantAssociatedEvent.h
new file mode 100644
index 0000000..aa33c59
--- /dev/null
+++ b/nexus/SupplicantAssociatedEvent.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _SupplicantAssociatedEvent_H
+#define _SupplicantAssociatedEvent_H
+
+#include "SupplicantEvent.h"
+
+class SupplicantAssociatedEvent : public SupplicantEvent {
+    char *mBssid;
+    char *mSsid;
+    int  mFreq;
+
+public:
+    SupplicantAssociatedEvent(int level, char *event, size_t len);
+    virtual ~SupplicantAssociatedEvent();
+
+    const char *getBssid() { return mBssid; }
+};
+
+#endif