Move utils.h and utils.cc from runtime/vm to runtime/platform

runtime/vm/disassembler_arm.cc

Index: runtime/vm/disassembler_arm.cc
diff --git a/runtime/vm/disassembler_arm.cc b/runtime/vm/disassembler_arm.cc
index bea7a3af943a06cafe89c5b63629e9174b21e72c..4b0ee988c75f567f5e3dfe2e14bc19a6f966efb5 100644
--- a/runtime/vm/disassembler_arm.cc
+++ b/runtime/vm/disassembler_arm.cc
@@ -5,10 +5,9 @@
 #include "vm/disassembler.h"
 
 #include "platform/assert.h"
-#include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM.
+#include "platform/globals.h"  // Needed here to get TARGET_ARCH_ARM.

[Mads Ager (google), 2012/01/16 11:38:47]

Maybe we should keep all the globals.h includes in the vm directory pointing to
vm/globals.h to avoid confusion?

If you do that here, remember the other disassembler files as well.

[Søren Gjesse, 2012/01/16 12:55:30]

Done.

 #if defined(TARGET_ARCH_ARM)
 
-
 namespace dart {
 
 int Disassembler::DecodeInstruction(char* hex_buffer, intptr_t hex_size,