Implement System.arraycopy intrinsic for arm.

Change-Id: I58ae1af5103e281fe59fbe022b718d6d8f293a5e
diff --git a/compiler/optimizing/code_generator.h b/compiler/optimizing/code_generator.h
index acce5b3..b04dfc0 100644
--- a/compiler/optimizing/code_generator.h
+++ b/compiler/optimizing/code_generator.h
@@ -421,6 +421,8 @@
                                              Location runtime_type_index_location,
                                              Location runtime_return_location);
 
+  static void CreateSystemArrayCopyLocationSummary(HInvoke* invoke);
+
   void SetDisassemblyInformation(DisassemblyInformation* info) { disasm_info_ = info; }
   DisassemblyInformation* GetDisassemblyInformation() const { return disasm_info_; }