Match SequenceableLoader method order in HlsSampleStreamWrapper

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=177146923

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

@@ -324,28 +324,6 @@ import java.util.Arrays;
     return true;
   }
 
-  @Override
-  public long getBufferedPositionUs() {
-    if (loadingFinished) {
-      return C.TIME_END_OF_SOURCE;
-    } else if (isPendingReset()) {
-      return pendingResetPositionUs;
-    } else {
-      long bufferedPositionUs = lastSeekPositionUs;
-      HlsMediaChunk lastMediaChunk = getLastMediaChunk();
-      HlsMediaChunk lastCompletedMediaChunk = lastMediaChunk.isLoadCompleted() ? lastMediaChunk
-          : mediaChunks.size() > 1 ? mediaChunks.get(mediaChunks.size() - 2) : null;
-      if (lastCompletedMediaChunk != null) {
-        bufferedPositionUs = Math.max(bufferedPositionUs, lastCompletedMediaChunk.endTimeUs);
-      }
-      for (SampleQueue sampleQueue : sampleQueues) {
-        bufferedPositionUs = Math.max(bufferedPositionUs,
-            sampleQueue.getLargestQueuedTimestampUs());
-      }
-      return bufferedPositionUs;
-    }
-  }
-
   public void release() {
     boolean releasedSynchronously = loader.release(this);
     if (prepared && !releasedSynchronously) {
@@ -448,6 +426,37 @@ import java.util.Arrays;
   // SequenceableLoader implementation
 
   @Override
+  public long getBufferedPositionUs() {
+    if (loadingFinished) {
+      return C.TIME_END_OF_SOURCE;
+    } else if (isPendingReset()) {
+      return pendingResetPositionUs;
+    } else {
+      long bufferedPositionUs = lastSeekPositionUs;
+      HlsMediaChunk lastMediaChunk = getLastMediaChunk();
+      HlsMediaChunk lastCompletedMediaChunk = lastMediaChunk.isLoadCompleted() ? lastMediaChunk
+          : mediaChunks.size() > 1 ? mediaChunks.get(mediaChunks.size() - 2) : null;
+      if (lastCompletedMediaChunk != null) {
+        bufferedPositionUs = Math.max(bufferedPositionUs, lastCompletedMediaChunk.endTimeUs);
+      }
+      for (SampleQueue sampleQueue : sampleQueues) {
+        bufferedPositionUs = Math.max(bufferedPositionUs,
+            sampleQueue.getLargestQueuedTimestampUs());
+      }
+      return bufferedPositionUs;
+    }
+  }
+
+  @Override
+  public long getNextLoadPositionUs() {
+    if (isPendingReset()) {
+      return pendingResetPositionUs;
+    } else {
+      return loadingFinished ? C.TIME_END_OF_SOURCE : getLastMediaChunk().endTimeUs;
+    }
+  }
+
+  @Override
   public boolean continueLoading(long positionUs) {
     if (loadingFinished || loader.isLoading()) {
       return false;
@@ -494,15 +503,6 @@ import java.util.Arrays;
     return true;
   }
 
-  @Override
-  public long getNextLoadPositionUs() {
-    if (isPendingReset()) {
-      return pendingResetPositionUs;
-    } else {
-      return loadingFinished ? C.TIME_END_OF_SOURCE : getLastMediaChunk().endTimeUs;
-    }
-  }
-
   // Loader.Callback implementation.
 
   @Override
@@ -755,33 +755,10 @@ import java.util.Arrays;
     enabledSampleQueueCount = enabledSampleQueueCount + (enabledState ? 1 : -1);
   }
 
-  /**
-   * Derives a track format corresponding to a given container format, by combining it with sample
-   * level information obtained from the samples.
-   *
-   * @param containerFormat The container format for which the track format should be derived.
-   * @param sampleFormat A sample format from which to obtain sample level information.
-   * @return The derived track format.
-   */
-  private static Format deriveFormat(Format containerFormat, Format sampleFormat) {
-    if (containerFormat == null) {
-      return sampleFormat;
-    }
-    int sampleTrackType = MimeTypes.getTrackType(sampleFormat.sampleMimeType);
-    String codecs = Util.getCodecsOfType(containerFormat.codecs, sampleTrackType);
-    return sampleFormat.copyWithContainerInfo(containerFormat.id, codecs, containerFormat.bitrate,
-        containerFormat.width, containerFormat.height, containerFormat.selectionFlags,
-        containerFormat.language);
-  }
-
   private HlsMediaChunk getLastMediaChunk() {
     return mediaChunks.get(mediaChunks.size() - 1);
   }
 
-  private boolean isMediaChunk(Chunk chunk) {
-    return chunk instanceof HlsMediaChunk;
-  }
-
   private boolean isPendingReset() {
     return pendingResetPositionUs != C.TIME_UNSET;
   }
@@ -810,4 +787,27 @@ import java.util.Arrays;
     return true;
   }
 
+  /**
+   * Derives a track format corresponding to a given container format, by combining it with sample
+   * level information obtained from the samples.
+   *
+   * @param containerFormat The container format for which the track format should be derived.
+   * @param sampleFormat A sample format from which to obtain sample level information.
+   * @return The derived track format.
+   */
+  private static Format deriveFormat(Format containerFormat, Format sampleFormat) {
+    if (containerFormat == null) {
+      return sampleFormat;
+    }
+    int sampleTrackType = MimeTypes.getTrackType(sampleFormat.sampleMimeType);
+    String codecs = Util.getCodecsOfType(containerFormat.codecs, sampleTrackType);
+    return sampleFormat.copyWithContainerInfo(containerFormat.id, codecs, containerFormat.bitrate,
+        containerFormat.width, containerFormat.height, containerFormat.selectionFlags,
+        containerFormat.language);
+  }
+
+  private static boolean isMediaChunk(Chunk chunk) {
+    return chunk instanceof HlsMediaChunk;
+  }
+
 }