Move libLLVMProfileData to llvm_post_static_libraries.

This enables us to build libclang for target.
libClangCodeGen in libclang needs libLLVMProfileData.

Change-Id: I80fe903f9633877a4ac39325cdc9b023a5dfc149
Merge "Move libLLVMProfileData to llvm_post_static_libraries."