Stop overriding deprecated method.

Fixed and random track selection were still overriding the deprecated version
of updateSelectedTrack.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=213637728

library/core/src/main/java/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java

@@ -18,8 +18,11 @@ package com.google.android.exoplayer2.trackselection;
 import android.support.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.source.TrackGroup;
+import com.google.android.exoplayer2.source.chunk.MediaChunk;
+import com.google.android.exoplayer2.source.chunk.MediaChunkIterator;
 import com.google.android.exoplayer2.upstream.BandwidthMeter;
 import com.google.android.exoplayer2.util.Assertions;
+import java.util.List;
 
 /**
  * A {@link TrackSelection} consisting of a single track.
@@ -84,8 +87,12 @@ public final class FixedTrackSelection extends BaseTrackSelection {
   }
 
   @Override
-  public void updateSelectedTrack(long playbackPositionUs, long bufferedDurationUs,
-      long availableDurationUs) {
+  public void updateSelectedTrack(
+      long playbackPositionUs,
+      long bufferedDurationUs,
+      long availableDurationUs,
+      List<? extends MediaChunk> queue,
+      MediaChunkIterator[] mediaChunkIterators) {
     // Do nothing.
   }
 

library/core/src/main/java/com/google/android/exoplayer2/trackselection/RandomTrackSelection.java

@@ -19,7 +19,10 @@ import android.os.SystemClock;
 import android.support.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.source.TrackGroup;
+import com.google.android.exoplayer2.source.chunk.MediaChunk;
+import com.google.android.exoplayer2.source.chunk.MediaChunkIterator;
 import com.google.android.exoplayer2.upstream.BandwidthMeter;
+import java.util.List;
 import java.util.Random;
 
 /**
@@ -90,8 +93,12 @@ public final class RandomTrackSelection extends BaseTrackSelection {
   }
 
   @Override
-  public void updateSelectedTrack(long playbackPositionUs, long bufferedDurationUs,
-      long availableDurationUs) {
+  public void updateSelectedTrack(
+      long playbackPositionUs,
+      long bufferedDurationUs,
+      long availableDurationUs,
+      List<? extends MediaChunk> queue,
+      MediaChunkIterator[] mediaChunkIterators) {
     // Count the number of non-blacklisted formats.
     long nowMs = SystemClock.elapsedRealtime();
     int nonBlacklistedFormatCount = 0;