AnotherPacketSource.cpp: Do not queue discontinity signal buffer resulted from seek.

This will remove the unnecessary flush for seek.

Bug: 17511837
Change-Id: I4b7acfc71a410372f5c630afb94b6a95d09d8974
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
index ffacb8f..52ae9ee 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
@@ -506,7 +506,7 @@
             sp<AnotherPacketSource> source = info->mSource;
             if (source != NULL) {
                 source->queueDiscontinuity(
-                        ATSParser::DISCONTINUITY_SEEK,
+                        ATSParser::DISCONTINUITY_TIME,
                         NULL,
                         true /* discard */);
             }