Rename module-cache-path to clang-modules-cache-path.
Rename module-cache-path to clang-modules-cache-path.

(cherry picked from commit f3c8ca584936345b0a7d08fd4eb743ccc51720f0)

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb