[llvm] Allow specifying libcxx builder image. (PR #110303)

[Michael Buch via llvm-commits]

Michael137 wrote:

Ooh that's because it's hardcoded in the `lldb-dap` executable: https://github.com/llvm/llvm-project/blob/f14743794587db102c6d1b20f9c87a1ac20decfd/lldb/tools/lldb-dap/lldb-dap.cpp#L2103-L2104

Fix should be simple enough. Just need to always pass the `disableASLR` value from Python, regardless of whether it's set to `True` or `False`

https://github.com/llvm/llvm-project/pull/110303