NuPlayer: add missing getSelectedTrack in CCDecoder

Test: cts
Bug: 119938763
Change-Id: I0dcc35ec65f0912d43aa5b0e3a797334d2581a78
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 0784939..3922767 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -659,20 +659,31 @@
 
         case kWhatGetSelectedTrack:
         {
+            int32_t type32;
+            CHECK(msg->findInt32("type", (int32_t*)&type32));
+            media_track_type type = (media_track_type)type32;
+
+            size_t inbandTracks = 0;
             status_t err = INVALID_OPERATION;
+            ssize_t selectedTrack = -1;
             if (mSource != NULL) {
                 err = OK;
-
-                int32_t type32;
-                CHECK(msg->findInt32("type", (int32_t*)&type32));
-                media_track_type type = (media_track_type)type32;
-                ssize_t selectedTrack = mSource->getSelectedTrack(type);
-
-                Parcel* reply;
-                CHECK(msg->findPointer("reply", (void**)&reply));
-                reply->writeInt32(selectedTrack);
+                inbandTracks = mSource->getTrackCount();
+                selectedTrack = mSource->getSelectedTrack(type);
             }
 
+            if (selectedTrack == -1 && mCCDecoder != NULL) {
+                err = OK;
+                selectedTrack = mCCDecoder->getSelectedTrack(type);
+                if (selectedTrack != -1) {
+                    selectedTrack += inbandTracks;
+                }
+            }
+
+            Parcel* reply;
+            CHECK(msg->findPointer("reply", (void**)&reply));
+            reply->writeInt32(selectedTrack);
+
             sp<AMessage> response = new AMessage;
             response->setInt32("err", err);