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/compiler/dex/mir_analysis.cc b/compiler/dex/mir_analysis.cc
index b96c40d..200795e 100644
--- a/compiler/dex/mir_analysis.cc
+++ b/compiler/dex/mir_analysis.cc
@@ -1013,7 +1013,7 @@
     return true;
   }
 
-  if (compiler_filter == CompilerOptions::kInterpretOnly || compiler_filter == CompilerOptions::kProfiled) {
+  if (!compiler_options.IsCompilationEnabled() || compiler_filter == CompilerOptions::kProfiled) {
     return true;
   }