[LLDB] Skip TestGuiBasicDebug.py on Arm and AArch64/Linux

TestGuiBasicDebug.py is intermittenly timing out on LLDB AArch64/Linux
buildbot. Putting SkipIf decorator untill root cuase is identified.

Author: omjavaid

lldb/test/API/commands/gui/basicdebug/TestGuiBasicDebug.py

@@ -15,7 +15,7 @@ class TestGuiBasicDebugCommandTest(PExpectTest):
     # under ASAN on a loaded machine..
     @skipIfAsan
     @skipIfCursesSupportMissing
-    @expectedFailureAll(archs=["aarch64"], oslist=["linux"])
+    @skipIf(archs=["arm", "aarch64"], oslist=["linux"])
     def test_gui(self):
         self.build()