Reduce the link de-bounce time to 4 from earlier 7 seconds

The Link de-bounce time of 7 seconds affects the station's
handover time to a better AP,thus tearing down the VoWiFi call
(due to RTP timeout). Reduce this time to 4 seconds

Change-Id: I3aa9b7ceae917650351e041e97e699ecdfd3bb77
CRs-Fixed: 989472

1 files changed, 2 insertions, 2 deletions

diff --git a/service/java/com/android/server/wifi/WifiStateMachine.java b/service/java/com/android/server/wifi/WifiStateMachine.java
index 343766a0b..360bd9700 100644
--- a/service/java/com/android/server/wifi/WifiStateMachine.java
+++ b/service/java/com/android/server/wifi/WifiStateMachine.java
@@ -374,7 +374,7 @@ public class WifiStateMachine extends StateMachine implements WifiNative.WifiPno
      * Interval in milliseconds between receiving a disconnect event
      * while connected to a good AP, and handling the disconnect proper
      */
-    private static final int LINK_FLAPPING_DEBOUNCE_MSEC = 7000;
+    private static final int LINK_FLAPPING_DEBOUNCE_MSEC = 4000;
 
     /**
      * Delay between supplicant restarts upon failure to establish connection
@@ -9441,7 +9441,7 @@ public class WifiStateMachine extends StateMachine implements WifiNative.WifiPno
                                     WifiConfiguration.BAD_RSSI_5))) {
                         // Start de-bouncing the L2 disconnection:
                         // this L2 disconnection might be spurious.
-                        // Hence we allow 7 seconds for the state machine to try
+                        // Hence we allow 4 seconds for the state machine to try
                         // to reconnect, go thru the
                         // roaming cycle and enter Obtaining IP address
                         // before signalling the disconnect to ConnectivityService and L3