[LLDB] Disable lldb-vscode test_terminate_commands test on Arm

Summary:
test_terminate_commands is flaky on LLDB Arm buildbot as well. It was already
being skipped for aarch64. I am going to mark it skipped for Arm too.

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D81978

lldb/test/API/tools/lldb-vscode/launch/TestVSCode_launch.py

@@ -431,7 +431,7 @@ def test_extra_launch_commands(self):
     @skipIfWindows
     @skipIfNetBSD # Hangs on NetBSD as well
     @skipIfDarwin
-    @skipIf(archs="aarch64") # Example of a flaky run http://lab.llvm.org:8011/builders/lldb-aarch64-ubuntu/builds/5540/steps/test/logs/stdio
+    @skipIf(archs=["arm", "aarch64"]) # Example of a flaky run http://lab.llvm.org:8011/builders/lldb-aarch64-ubuntu/builds/5540/steps/test/logs/stdio
     def test_terminate_commands(self):
         '''
             Tests that the "terminateCommands", that can be passed during