Fix --get-port flag name

Author: ivanbuhov

src/project/androidProject.ts

@@ -46,7 +46,7 @@ export class AndroidProject extends Project {
     public getDebugPortSync(tnsArgs?: string[]): number {
         let args: string[] = [];
         args = args.concat(tnsArgs);
-        let output = this.cli.executeSync(["debug", "android", "--get--port"].concat(args), this.appRoot);
+        let output = this.cli.executeSync(["debug", "android", "--get-port"].concat(args), this.appRoot);
         let port = parseInt(output.match("(?:debug port: )([\\d]{5})")[1]);
         return port;
     }