[rdct-tests] introduce a port provider that makes sure the random port is requested from different diapasons

that is useful when several ports are requested in one test before they are actually used

GitOrigin-RevId: 0481897e66caec455aa932cff182d4a3afced49d

build/launch/src/com/intellij/tools/launch/Launcher.kt

@@ -9,8 +9,6 @@ import com.intellij.tools.launch.os.ProcessOutputStrategy
 import kotlinx.coroutines.CoroutineName
 import kotlinx.coroutines.CoroutineScope
 import org.jetbrains.jps.model.java.JpsJavaClasspathKind
-import java.net.InetAddress
-import java.net.ServerSocket
 
 object Launcher {
   @Suppress("SSBasedInspection")
@@ -62,14 +60,4 @@ object Launcher {
       return IdeLauncher.launchCommand(localLauncherFactory, ideLaunchContext).process to null
     }
   }
-
-  fun findFreePort(): Int {
-    synchronized(this) {
-      val socket = ServerSocket(0, 0, InetAddress.getByName("127.0.0.1"))
-      val result = socket.localPort
-      socket.reuseAddress = true
-      socket.close()
-      return result
-    }
-  }
 }