[Core] Change reportCycle to resolveCycle
[Core] Change reportCycle to resolveCycle

Signature change only, but will allow future implementation to
potentially break a cycle and allow forward progress.

apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild,apple/swift-llbuild