static mediaQualitiesAreTheSame_(mq1, mq2) {
    if (mq1 === mq2) {
      return true;
    }
    if (!mq1 || !mq2) {
      return false;
    }
    return (mq1.bandwidth == mq2.bandwidth) &&
      (mq1.audioSamplingRate == mq2.audioSamplingRate) &&
      (mq1.codecs == mq2.codecs) &&
      (mq1.contentType == mq2.contentType) &&
      (mq1.frameRate == mq2.frameRate) &&
      (mq1.height == mq2.height) &&
      (mq1.mimeType == mq2.mimeType) &&
      (mq1.channelsCount == mq2.channelsCount) &&
      (mq1.pixelAspectRatio == mq2.pixelAspectRatio) &&
      (mq1.width == mq2.width);
  }
Determines if two MediaQualityInfo objects are the same or not.

@param {?shaka.extern.MediaQualityInfo} mq1
@param {?shaka.extern.MediaQualityInfo} mq2
@return {boolean}
@private