[lldb] Fix up StreamFile.h references

`StreamFile.h` moved from `lldb/Core` to `lldb/Host`. Update Swift
references.

Author: bnbarham

lldb/source/Plugins/ExpressionParser/Swift/SwiftREPL.cpp

@@ -18,11 +18,11 @@
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/Module.h"
 #include "lldb/Core/PluginManager.h"
-#include "lldb/Core/StreamFile.h"
 #include "lldb/Core/ValueObject.h"
 #include "lldb/DataFormatters/TypeSummary.h"
 #include "lldb/DataFormatters/ValueObjectPrinter.h"
 #include "lldb/Host/HostInfo.h"
+#include "lldb/Host/StreamFile.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Symbol/ObjectFile.h"

lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp

@@ -93,11 +93,11 @@
 #include "lldb/Core/ModuleSpec.h"
 #include "lldb/Core/Progress.h"
 #include "lldb/Core/Section.h"
-#include "lldb/Core/StreamFile.h"
 #include "lldb/Expression/DiagnosticManager.h"
 #include "lldb/Expression/IRExecutionUnit.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Host/HostInfo.h"
+#include "lldb/Host/StreamFile.h"
 #include "lldb/Host/XML.h"
 #include "lldb/Symbol/CompileUnit.h"
 #include "lldb/Symbol/ObjectFile.h"

lldb/source/Plugins/TypeSystem/Swift/TypeSystemSwiftTypeRef.cpp

@@ -24,7 +24,7 @@
 #include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/DumpDataExtractor.h"
-#include "lldb/Core/StreamFile.h"
+#include "lldb/Host/StreamFile.h"
 #include "lldb/Symbol/CompileUnit.h"
 #include "lldb/Symbol/TypeList.h"
 #include "lldb/Symbol/TypeMap.h"