ART: Add debuggable compiler flag

Add a flag to compiler options that shows debuggability.

Change-Id: Id17ec72babe2ee88713a0d274eff86508de30666
diff --git a/compiler/jit/jit_compiler.cc b/compiler/jit/jit_compiler.cc
index 0283791..ff98d4a 100644
--- a/compiler/jit/jit_compiler.cc
+++ b/compiler/jit/jit_compiler.cc
@@ -72,6 +72,7 @@
       false,
       false,
       CompilerOptions::kDefaultTopKProfileThreshold,
+      false,  // TODO: Think about debuggability of JIT-compiled code.
       false,
       false,
       false,