DD+JOC track can't be selected if there are multi tracks in manifest file

DD+JOC track can't be selected if there are multi tracks in manifest file.

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java

@@ -765,6 +765,9 @@ public class DashManifestParser extends DefaultHandler
     @Nullable String sampleMimeType = getSampleMimeType(containerMimeType, codecs);
     if (MimeTypes.AUDIO_E_AC3.equals(sampleMimeType)) {
       sampleMimeType = parseEac3SupplementalProperties(supplementalProperties);
+      if (MimeTypes.AUDIO_E_AC3_JOC.equals(sampleMimeType)) {
+        codecs = "ec+3";
+      }
     }
     @C.SelectionFlags int selectionFlags = parseSelectionFlagsFromRoleDescriptors(roleDescriptors);
     @C.RoleFlags int roleFlags = parseRoleFlagsFromRoleDescriptors(roleDescriptors);

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistParser.java

@@ -515,6 +515,7 @@ public final class HlsPlaylistParser implements ParsingLoadable.Parser<HlsPlayli
             formatBuilder.setChannelCount(channelCount);
             if (MimeTypes.AUDIO_E_AC3.equals(sampleMimeType) && channelsString.endsWith("/JOC")) {
               sampleMimeType = MimeTypes.AUDIO_E_AC3_JOC;
+              formatBuilder.setCodecs("ec+3");
             }
           }
           formatBuilder.setSampleMimeType(sampleMimeType);