Android sample: update Android build tools (#884)
Android sample: update Android build tools (#884)


tobias74/graphhopper,fbonzon/graphhopper,fbonzon/graphhopper,tobias74/graphhopper,tobias74/graphhopper,tobias74/graphhopper,komoot/graphhopper,graphhopper/graphhopper,prembasumatary/graphhopper,don-philipe/graphhopper,hguerrero/graphhopper,graphhopper/graphhopper,fbonzon/graphhopper,komoot/graphhopper,ratrun/graphhopper,boldtrn/graphhopper,ammagamma/graphhopper,hguerrero/graphhopper,ammagamma/graphhopper,prembasumatary/graphhopper,komoot/graphhopper,graphhopper/graphhopper,ratrun/graphhopper,hguerrero/graphhopper,komoot/graphhopper,devemux86/graphhopper,don-philipe/graphhopper,devemux86/graphhopper,boldtrn/graphhopper,routexl/graphhopper,boldtrn/graphhopper,prembasumatary/graphhopper,routexl/graphhopper,prembasumatary/graphhopper,don-philipe/graphhopper,fbonzon/graphhopper,ammagamma/graphhopper,boldtrn/graphhopper,ratrun/graphhopper,routexl/graphhopper,hguerrero/graphhopper,don-philipe/graphhopper,devemux86/graphhopper,ratrun/graphhopper,devemux86/graphhopper,ammagamma/graphhopper,routexl/graphhopper,graphhopper/graphhopper