Add support for -Xverify:none mode.

This mode skips all verification and compilation.
Public bug: https://code.google.com/p/android/issues/detail?id=67664

Change-Id: Idd00ab8e9e46d129c02988b063c41a507e07bf5b
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index b0a6584..1b3c996 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -132,7 +132,8 @@
       preinitialization_transaction_(nullptr),
       null_pointer_handler_(nullptr),
       suspend_handler_(nullptr),
-      stack_overflow_handler_(nullptr) {
+      stack_overflow_handler_(nullptr),
+      verify_(false) {
   for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) {
     callee_save_methods_[i] = nullptr;
   }
@@ -521,6 +522,7 @@
   thread_list_ = new ThreadList;
   intern_table_ = new InternTable;
 
+  verify_ = options->verify_;
 
   if (options->interpreter_only_) {
     GetInstrumentation()->ForceInterpretOnly();