[Local Catalog] POS Settings: add POSCatalogSettingsService for Yosemite layer#16166

jaclync merged 2 commits intotrunkwoocommerce/woocommerce-ios:trunkfrom

feat/WOOMOB-1100-pos-sync-settings-yosemitewoocommerce/woocommerce-ios:feat/WOOMOB-1100-pos-sync-settings-yosemiteCopy head branch name to clipboard