[lldb][lldb-dap] Disable another part of TestDAP_launch.py on Windows
Has been flakey on our Windows on Arm bot:
https://lab.llvm.org/buildbot/#/builders/141/builds/11373
```
======================================================================
ERROR: test_stopOnEntry (TestDAP_launch.TestDAP_launch.test_stopOnEntry)
Tests the default launch of a simple program that stops at the
----------------------------------------------------------------------
Traceback (most recent call last):
File "C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\packages\Python\lldbsuite\test\lldbtest.py", line 2090, in tearDown
Base.tearDown(self)
File "C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\packages\Python\lldbsuite\test\lldbtest.py", line 1105, in tearDown
hook() # try the plain call and hope it works
^^^^^^
File "C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\packages\Python\lldbsuite\test\tools\lldb-dap\lldbdap_testcase.py", line 521, in cleanup
self.dap_server.terminate()
File "C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\packages\Python\lldbsuite\test\tools\lldb-dap\dap_server.py", line 1602, in terminate
raise DebugAdapterProcessError(process.returncode)
dap_server.DebugAdapterProcessError: lldb-dap returned non-zero exit status 1.
Config=aarch64-C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe
----------------------------------------------------------------------
```
See #137660