[lldb][test] Disable statusline module deadlock test on Linux

It has been flaky in CI and Linaro's AArch64 Linux bot.

See #154763.

Author: DavidSpickett

lldb/test/API/functionalities/statusline/TestStatusline.py

@@ -124,6 +124,7 @@ def test_resize(self):
     @skipIfRemote
     @skipIfWindows
     @skipIfDarwin
+    @skipIfLinux # https://github.com/llvm/llvm-project/issues/154763
     @add_test_categories(["lldb-server"])
     def test_modulelist_deadlock(self):
         """Regression test for a deadlock that occurs when the status line is enabled before connecting