Handle unbounded ranges in DASH manifests.

library/src/main/java/com/google/android/exoplayer/dash/mpd/MediaPresentationDescriptionParser.java

@@ -528,8 +528,10 @@ public class MediaPresentationDescriptionParser extends DefaultHandler
     if (rangeText != null) {
     if (rangeText != null) {
       String[] rangeTextArray = rangeText.split("-");
       String[] rangeTextArray = rangeText.split("-");
       rangeStart = Long.parseLong(rangeTextArray[0]);
       rangeStart = Long.parseLong(rangeTextArray[0]);
+      if (rangeTextArray.length == 2) {
         rangeLength = Long.parseLong(rangeTextArray[1]) - rangeStart + 1;
         rangeLength = Long.parseLong(rangeTextArray[1]) - rangeStart + 1;
       }
       }
+    }
     return buildRangedUri(baseUrl, urlText, rangeStart, rangeLength);
     return buildRangedUri(baseUrl, urlText, rangeStart, rangeLength);
   }
   }