Attach ExoMediaCryptoType for progressive streams

PiperOrigin-RevId: 311628160

library/core/src/main/java/com/google/android/exoplayer2/source/ProgressiveMediaPeriod.java

@@ -781,6 +781,11 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
           trackFormat = trackFormat.buildUpon().setAverageBitrate(icyHeaders.bitrate).build();
         }
       }
+      if (trackFormat.drmInitData != null) {
+        trackFormat =
+            trackFormat.copyWithExoMediaCryptoType(
+                drmSessionManager.getExoMediaCryptoType(trackFormat.drmInitData));
+      }
       trackArray[i] = new TrackGroup(trackFormat);
     }
     trackState = new TrackState(new TrackGroupArray(trackArray), trackIsAudioVideoFlags);