Change the way the m_trap_handlers Platform base class ivar is initialized;
add a new pure virtual CalculateTrapHandlerSymbolNames() that Platform 
subclasses must implement which fills in the function name list with any
trap handlers that are expected on that platform.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@201364 91177308-0d34-0410-b5e6-96231b3b80d8