include Host/Time.h in Cocoa.cpp

Time.h contains the necessary magic to enable timegm on all android
targets.

llvm-svn: 293047
diff --git a/lldb/source/Plugins/Language/ObjC/Cocoa.cpp b/lldb/source/Plugins/Language/ObjC/Cocoa.cpp
index b2ad8c3..5396aea 100644
--- a/lldb/source/Plugins/Language/ObjC/Cocoa.cpp
+++ b/lldb/source/Plugins/Language/ObjC/Cocoa.cpp
@@ -23,6 +23,7 @@
 #include "lldb/DataFormatters/StringPrinter.h"
 #include "lldb/DataFormatters/TypeSummary.h"
 #include "lldb/Host/Endian.h"
+#include "lldb/Host/Time.h"
 #include "lldb/Symbol/ClangASTContext.h"
 #include "lldb/Target/Language.h"
 #include "lldb/Target/ObjCLanguageRuntime.h"