[Android] Change default val of udpListenPort to 0 (#29875)

This commit changes the default value of the UDP listen port used in
Android platform's ControllerParams from 5541 to 0. Since the default
value of UDP listen port was 5541, if multiple matter applications using
default settings are run on one matter device, UDP listen port conflict
occurs. If we set the UDP listen port to 0, port collisions can be
avoided because the port is bound randomly. Although matter applications
can avoid conflicts by setting a UDP listen port, it is better to set
this to its default value of 0 so that matter applications that use the
default settings can avoid conflicts.

Signed-off-by: Youngho Yoon <[email protected]>
Signed-off-by: Charles Kim <[email protected]>
Signed-off-by: Hunsup Jung <[email protected]>
Signed-off-by: sanghyukko <[email protected]>
Signed-off-by: Jaehoon You <[email protected]>
Signed-off-by: Kyu-Wook Lim <[email protected]>

src/controller/java/src/chip/devicecontroller/ControllerParams.java

@@ -23,8 +23,6 @@ public final class ControllerParams {
   @Nullable private final byte[] ipk;
   private final long adminSubject;
 
-  private static final int LEGACY_GLOBAL_CHIP_PORT = 5540;
-
   /** @param udpListenPort the UDP listening port, or 0 to pick any available port. */
   private ControllerParams(Builder builder) {
     this.fabricId = builder.fabricId;
@@ -132,7 +130,7 @@ public static Builder newBuilder(OperationalKeyConfig operationalKeyConfig) {
   /** Builder for {@link ControllerParams}. */
   public static class Builder {
     private long fabricId = 1;
-    private int udpListenPort = LEGACY_GLOBAL_CHIP_PORT + 1;
+    private int udpListenPort = 0;
     private int controllerVendorId = 0xFFFF;
     private int failsafeTimerSeconds = 30;
     private int caseFailsafeTimerSeconds = 0;