When ProcessMachCore::DoLoadCore() finds *BOTH* a user process dyld and a mach kernel
binary, change to prefer the mach kernel binary by default.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@197545 91177308-0d34-0410-b5e6-96231b3b80d8
<rdar://problem/15668743>

Fixed a crasher that would only occur if Xcode attaches to a remote process first, then launches. 



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@197546 91177308-0d34-0410-b5e6-96231b3b80d8