Pass framework search flags to ClangImporter since they are not propagated by the compiler automatically.
Pass framework search flags to ClangImporter since they are not propagated by the compiler automatically.

PiperOrigin-RevId: 376014808
(cherry picked from commit b71c3fc878ca7aab42d6e09f526c4721f1f5639f)

bazelbuild/rules_swift,bazelbuild/rules_swift