Update VR video player sample app

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=217874381

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

@@ -117,36 +117,6 @@ public final class ClippingMediaSource extends CompositeMediaSource<Void> {
   }
   }
 
 
   /**
   /**
-   * Creates a new clipping source that wraps the specified source and provides samples between the
-   * specified start and end position.
-   *
-   * @param mediaSource The single-period source to wrap.
-   * @param startPositionUs The start position within {@code mediaSource}'s window at which to start
-   *     providing samples, in microseconds.
-   * @param endPositionUs The end position within {@code mediaSource}'s window at which to stop
-   *     providing samples, in microseconds. Specify {@link C#TIME_END_OF_SOURCE} to provide samples
-   *     from the specified start point up to the end of the source. Specifying a position that
-   *     exceeds the {@code mediaSource}'s duration will also result in the end of the source not
-   *     being clipped.
-   * @param enableInitialDiscontinuity Whether the initial discontinuity should be enabled.
-   */
-  // TODO: remove this when the new API is public.
-  @Deprecated
-  public ClippingMediaSource(
-      MediaSource mediaSource,
-      long startPositionUs,
-      long endPositionUs,
-      boolean enableInitialDiscontinuity) {
-    this(
-        mediaSource,
-        startPositionUs,
-        endPositionUs,
-        enableInitialDiscontinuity,
-        /* allowDynamicClippingUpdates= */ false,
-        /* relativeToDefaultPosition= */ false);
-  }
-
-  /**
    * Creates a new clipping source that wraps the specified source and provides samples from the
    * Creates a new clipping source that wraps the specified source and provides samples from the
    * default position for the specified duration.
    * default position for the specified duration.
    *
    *