Merge "Improve the API doc for setVcnUnderlyingNetworkPriorities"

         * networks, a network will be chosen arbitrarily amongst the networks matching the highest

         * priority rule.

         *

         * <p>If all networks fail to match the rules provided, an underlying network will still be

         * selected (at random if necessary).

         * <p>If all networks fail to match the rules provided, a carrier-owned underlying network

         * will still be selected (if available, at random if necessary).

         *

         * @param underlyingNetworkTemplates a list of unique VcnUnderlyingNetworkTemplates that are

         *     ordered from most to least preferred, or an empty list to use the default