Remove non-addEventListener ways of adding an event listener

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=218347641

library/core/src/main/java/com/google/android/exoplayer2/upstream/DefaultBandwidthMeter.java

@@ -76,8 +76,6 @@ public final class DefaultBandwidthMeter implements BandwidthMeter, TransferList
 
     @Nullable private final Context context;
 
-    @Nullable private Handler eventHandler;
-    @Nullable private EventListener eventListener;
     private SparseArray<Long> initialBitrateEstimates;
     private int slidingWindowMaxWeight;
     private Clock clock;
@@ -96,21 +94,6 @@ public final class DefaultBandwidthMeter implements BandwidthMeter, TransferList
     }
 
     /**
-     * Sets an event listener for new bandwidth estimates.
-     *
-     * @param eventHandler A handler for events.
-     * @param eventListener A listener of events.
-     * @return This builder.
-     * @throws IllegalArgumentException If the event handler or listener are null.
-     */
-    public Builder setEventListener(Handler eventHandler, EventListener eventListener) {
-      Assertions.checkArgument(eventHandler != null && eventListener != null);
-      this.eventHandler = eventHandler;
-      this.eventListener = eventListener;
-      return this;
-    }
-
-    /**
      * Sets the maximum weight for the sliding window.
      *
      * @param slidingWindowMaxWeight The maximum weight for the sliding window.
@@ -185,9 +168,6 @@ public final class DefaultBandwidthMeter implements BandwidthMeter, TransferList
       DefaultBandwidthMeter bandwidthMeter =
           new DefaultBandwidthMeter(
               context, initialBitrateEstimates, slidingWindowMaxWeight, clock);
-      if (eventHandler != null && eventListener != null) {
-        bandwidthMeter.addEventListener(eventHandler, eventListener);
-      }
       return bandwidthMeter;
     }
 
@@ -238,19 +218,6 @@ public final class DefaultBandwidthMeter implements BandwidthMeter, TransferList
         Clock.DEFAULT);
   }
 
-  /** @deprecated Use {@link Builder} instead. */
-  @Deprecated
-  public DefaultBandwidthMeter(Handler eventHandler, EventListener eventListener) {
-    this(
-        /* context= */ null,
-        /* initialBitrateEstimates= */ new SparseArray<>(),
-        DEFAULT_SLIDING_WINDOW_MAX_WEIGHT,
-        Clock.DEFAULT);
-    if (eventHandler != null && eventListener != null) {
-      addEventListener(eventHandler, eventListener);
-    }
-  }
-
   private DefaultBandwidthMeter(
       @Nullable Context context,
       SparseArray<Long> initialBitrateEstimates,