Fix state synchronization problem.

Don't report that we're disconnected immediately if we're disconnecting when another
disconnect comes in.  Remove this behavior from the default handler and add a catch
all "yeah, we're disconnected already" to the inactive state.

bug:5568633
Change-Id: Iff7ccde2069b47f8ad8255f3bca0292b80041388

Author: Robert Greenwalt

telephony/java/com/android/internal/telephony/DataConnection.java

@@ -699,8 +699,10 @@ public boolean processMessage(Message msg) {
                     break;
 
                 case EVENT_DISCONNECT:
-                    if (DBG) log("DcDefaultState: msg.what=EVENT_DISCONNECT");
-                    notifyDisconnectCompleted((DisconnectParams) msg.obj);
+                    if (DBG) {
+                        log("DcDefaultState deferring msg.what=EVENT_DISCONNECT" + mRefCount);
+                    }
+                    deferMessage(msg);
                     break;
 
                 case EVENT_RIL_CONNECTED:
@@ -807,6 +809,12 @@ public boolean processMessage(Message msg) {
                     retVal = HANDLED;
                     break;
 
+                case EVENT_DISCONNECT:
+                    if (DBG) log("DcInactiveState: msg.what=EVENT_DISCONNECT");
+                    notifyDisconnectCompleted((DisconnectParams)msg.obj);
+                    retVal = HANDLED;
+                    break;
+
                 default:
                     if (VDBG) {
                         log("DcInactiveState nothandled msg.what=0x" +
@@ -831,13 +839,6 @@ public boolean processMessage(Message msg) {
             ConnectionParams cp;
 
             switch (msg.what) {
-                case EVENT_DISCONNECT:
-                    if (DBG) log("DcActivatingState deferring msg.what=EVENT_DISCONNECT"
-                            + mRefCount);
-                    deferMessage(msg);
-                    retVal = HANDLED;
-                    break;
-
                 case EVENT_CONNECT:
                     if (DBG) log("DcActivatingState deferring msg.what=EVENT_CONNECT refCount = "
                             + mRefCount);