[lldb] Increase MAX_ATTEMPTS in connect_to_debug_monitor()

See #118032 for details.

Author: slydiman

lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py

@@ -388,7 +388,7 @@ def connect_to_debug_monitor(self, attach_pid=None):
         # We're using a random port algorithm to try not to collide with other ports,
         # and retry a max # times.
         attempts = 0
-        MAX_ATTEMPTS = 20
+        MAX_ATTEMPTS = 30
 
         while attempts < MAX_ATTEMPTS:
             server = self.launch_debug_monitor(attach_pid=attach_pid)