Fix WiFi flaky tests

Bug: 140202697
Change-Id: I71f7517341e289d2e977be352c3c84f1e8d7d88a
Tests: Verified the changes
diff --git a/acts/framework/acts/test_utils/wifi/wifi_test_utils.py b/acts/framework/acts/test_utils/wifi/wifi_test_utils.py
index 100614a..2d664cd 100755
--- a/acts/framework/acts/test_utils/wifi/wifi_test_utils.py
+++ b/acts/framework/acts/test_utils/wifi/wifi_test_utils.py
@@ -1023,7 +1023,7 @@
         num_of_tries=num_of_tries)
 
 
-def _toggle_wifi_and_wait_for_reconnection(ad, network, num_of_tries=1):
+def _toggle_wifi_and_wait_for_reconnection(ad, network, num_of_tries=3):
     """Toggle wifi state and then wait for Android device to reconnect to
     the provided wifi network.