Add asan tests for libsanitizers. (#88349) (#88962)

The previous patch was reverted because the test fails to build when
libsanitizers is not present. This patch catches the BuildError
exception and skips the test appropriately.

This patch tests LLDB integration with libsanitizers for ASan.

rdar://111856681

GitOrigin-RevId: 988ffd06722e7e056b239efe497345ac97be33db
3 files changed