VT: Increase TMMBR reaction speed

1. More immediate TMMBR sending as like NACK & FIR
2. RTP notification of packet info is sent immediately by a delicate bad N/W sign
    - The notification is independent of legacy regular notification
    - It's defined as 'early notification'
    - This early notification can derive faster reaction against the bad N/W
3. Change the place of definition of message type for RTP notifications
    - RTPSource.h -> ARTPSource.h

Bug: 175266635

Change-Id: I12af66ef3b4a150996990bb22640109953a8ec79
Signed-off-by: Kim Sungyeon <sy85.kim@samsung.com>
diff --git a/media/libmediaplayerservice/nuplayer/RTPSource.cpp b/media/libmediaplayerservice/nuplayer/RTPSource.cpp
index f87eece..b43df38 100644
--- a/media/libmediaplayerservice/nuplayer/RTPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTPSource.cpp
@@ -299,7 +299,7 @@
     if ((*accessUnit) != NULL && (*accessUnit)->meta()->findInt32("cvo", &cvo) &&
             cvo != mLastCVOUpdated) {
         sp<AMessage> msg = new AMessage();
-        msg->setInt32("payload-type", NuPlayer::RTPSource::RTP_CVO);
+        msg->setInt32("payload-type", ARTPSource::RTP_CVO);
         msg->setInt32("cvo", cvo);
 
         sp<AMessage> notify = dupNotify();