Clean up method ordering in ResamplingBufferProcessor.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=148444806

library/src/main/java/com/google/android/exoplayer2/audio/ResamplingBufferProcessor.java

@@ -140,17 +140,17 @@ import java.nio.ByteOrder;
   }
 
   @Override
+  public void queueEndOfStream() {
+    inputEnded = true;
+  }
+
+  @Override
   public ByteBuffer getOutput() {
     ByteBuffer outputBuffer = this.outputBuffer;
     this.outputBuffer = EMPTY_BUFFER;
     return outputBuffer;
   }
 
-  @Override
-  public void queueEndOfStream() {
-    inputEnded = true;
-  }
-
   @SuppressWarnings("ReferenceEquality")
   @Override
   public boolean isEnded() {