Fix check for E-AC3 JOC in DASH

Issue: #6636
PiperOrigin-RevId: 281972403

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

@@ -1477,7 +1477,7 @@ public class DashManifestParser extends DefaultHandler
     for (int i = 0; i < supplementalProperties.size(); i++) {
       Descriptor descriptor = supplementalProperties.get(i);
       String schemeIdUri = descriptor.schemeIdUri;
-      if (("tag:dolby.com,2018:dash:EC3_ExtensionComplexityIndex:2018".equals(schemeIdUri)
+      if (("tag:dolby.com,2018:dash:EC3_ExtensionType:2018".equals(schemeIdUri)
               && "JOC".equals(descriptor.value))
           || ("tag:dolby.com,2014:dash:DolbyDigitalPlusExtensionType:2014".equals(schemeIdUri)
               && "ec+3".equals(descriptor.value))) {