pywalt: fix stuck communication am: de48cf557f am: 842e8b8860 am: 26b4ade211

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/walt/+/12239743

Change-Id: Icadf1cf1a5a4e0f09a8ee7e63976d1035749b3bb
diff --git a/pywalt/pywalt/walt.py b/pywalt/pywalt/walt.py
index 9987f4f..82536fd 100644
--- a/pywalt/pywalt/walt.py
+++ b/pywalt/pywalt/walt.py
@@ -674,7 +674,7 @@
             sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
             sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
             sock.bind((self.host, self.port))
-            sock.listen(1)
+            sock.listen(10)
             while True:
                 print('Listening on port %d' % self.port)
                 net, addr = sock.accept()