code: private void onHotspotBoundsChanged() {
          final int count = mExitingRipplesCount;
          final RippleForeground[] ripples = mExitingRipples;
          for (int i = 0; i < count; i++) {
              ripples[i].onHotspotBoundsChanged();
          }
  
          if (mRipple != null) {
              mRipple.onHotspotBoundsChanged();
          }
  
          if (mBackground != null) {
              mBackground.onHotspotBoundsChanged();
          }
      }
docs: Notifies all the animating ripples that the hotspot bounds have changed.