[LLDB] Skip flaky tests on Arm/AArch64 Linux bots

Following LLDB tests fail randomly on LLDB Arm/AArch64 Linux buildbots.
We still not have a reliable solution for these tests to pass
consistently. I am marking them skipped for now.

TestBreakpointCallbackCommandSource.py
TestIOHandlerResize.py
TestEditline.py
TestGuiViewLarge.py
TestGuiExpandThreadsTree.py
TestGuiBreakpoints.py

lldb/test/API/functionalities/breakpoint/breakpoint_callback_command_source/TestBreakpointCallbackCommandSource.py

@@ -19,6 +19,7 @@ class BreakpointCallbackCommandSource(PExpectTest):
     # under ASAN on a loaded machine..
     @skipIfAsan
     @skipIfEditlineSupportMissing
+    @skipIf(oslist=["linux"], archs=["arm", "aarch64"])
     @skipIf(oslist=["freebsd"], bugnumber="llvm.org/pr48316")
     def test_breakpoint_callback_command_source(self):
         self.build()