[lldb][DWARF] Fix delayed-definition-die-searching.test for Windows

This is follow up fix on top of 9a7262c2

This fixes delayed-definition-die-searching.test to use -gdwarf. This is
required to explicitly select DWARF instead of PDB on windows.

Fixe LLDB build lldb-aarch64-windows:
https://lab.llvm.org/buildbot/#/builders/219/builds/11303