[Driver] [Darwin] Fix linking libclang_rt.profile_*sim.a

Summary: isTarget*() calls are order-dependent. This is because iOS Sim *is* iOS. This means checks for the simulator version of the platform must always be ahead of checks for the embedded platform.

Reviewers: zaks.anna, bogner

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D17947

llvm-svn: 263567