ART: Emit debug info when app is debuggable

Emit debug symbols and CFI when dex2oat is compiling with the
--debuggable flag.

Bug: 17011129
Change-Id: I0afab1e46abd819eded2b823580e766619497393
diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index 8490afb..b4a45c6 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -691,6 +691,8 @@
         include_cfi = false;
       } else if (option == "--debuggable") {
         debuggable = true;
+        include_debug_symbols = true;
+        include_cfi = true;
       } else if (option.starts_with("--profile-file=")) {
         profile_file_ = option.substr(strlen("--profile-file=")).data();
         VLOG(compiler) << "dex2oat: profile file is " << profile_file_;