RequestConfiguration.MaxAdContentRating
@Retention(value = SOURCE)
@StringDef(value = )
public annotation RequestConfiguration.MaxAdContentRating
setMaxAdContentRating 允許的常數。
支援的常數：
MAX_AD_CONTENT_RATING_UNSPECIFIEDMAX_AD_CONTENT_RATING_GMAX_AD_CONTENT_RATING_PGMAX_AD_CONTENT_RATING_TMAX_AD_CONTENT_RATING_MA