[lldb][lldb-dap] Disable assembly breakpoint test on Windows

New test added by #139969.

On Windows we need debug information to be able to break on the
function (we don't need it for main, but I assume that's a special case).
So disable the test on Windows.

I tried a few tricks like making a global label in assembly, but
that doesn't show up without debug info either.

Author: DavidSpickett

lldb/test/API/tools/lldb-dap/breakpoint-assembly/TestDAP_breakpointAssembly.py

@@ -8,8 +8,10 @@
 import lldbdap_testcase
 
 
-# @skipIfWindows
 class TestDAP_setBreakpointsAssembly(lldbdap_testcase.DAPTestCaseBase):
+    # When using PDB, we need to have debug information to break on assembly_func,
+    # but this test relies on us not having debug information for that function.
+    @skipIfWindows
     def test_can_break_in_source_references(self):
         """Tests hitting assembly source breakpoints"""
         program = self.getBuildArtifact("a.out")