feat: [Photon] support multiple layers (#1253) #90

Job	Run time
Subtree for Common	7s
Subtree for Plugin	6s
Subtree for Http	6s
Subtree for provider Chain	6s
Subtree for provider ArcGISOnline	6s
Subtree for provider GeoIP2	7s
Subtree for provider GeocodeEarth	9s
Subtree for provider AlgoliaPlaces	7s
Subtree for provider Cache	6s
Subtree for provider FreeGeoIp	6s
Subtree for provider BingMaps	9s
Subtree for provider HostIp	6s
Subtree for provider IpInfoDb	7s
Subtree for provider Pelias	7s
Subtree for provider AzureMaps	7s
Subtree for provider GraphHopper	6s
Subtree for provider IP2LocationBinary	6s
Subtree for provider TomTom	7s
Subtree for provider Geonames	10s
Subtree for provider LocationIQ	9s
Subtree for provider MaxMindBinary	6s
Subtree for provider Photon	7s
Subtree for provider GoogleMapsPlaces	8s
Subtree for provider Ipstack	6s
Subtree for provider Here	7s
Subtree for provider Mapbox	9s
Subtree for provider GoogleMaps	8s
Subtree for provider IpInfo	7s
Subtree for provider PickPoint	9s
Subtree for provider OpenRouteService	6s
Subtree for provider Nominatim	6s
Subtree for provider MaxMind	7s
Subtree for provider MapQuest	6s
Subtree for provider OpenCage	7s
Subtree for provider Yandex	8s
Subtree for provider GeoPlugin	7s
Subtree for provider IP2Location	7s
	4m 21s

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