Change logging in debugger_interface.

Avoid logging things like:
JIT mini-debug-info added for null, size=123B

Test: m
Change-Id: I83e98f741585a846765e601dd2d1fd1273b572b6

runtime/jit/debugger_interface.cc

diff --git a/runtime/jit/debugger_interface.cc b/runtime/jit/debugger_interface.cc
index 986003b..6d66de3 100644
--- a/runtime/jit/debugger_interface.cc
+++ b/runtime/jit/debugger_interface.cc
@@ -588,10 +588,13 @@
                                             /*allow_packing=*/ allow_packing,
                                             /*is_compressed=*/ false);
 
-  VLOG(jit)
-      << "JIT mini-debug-info added"
-      << " for " << code_ptr
-      << " size=" << PrettySize(symfile.size());
+  if (code_ptr == nullptr) {
+    VLOG(jit) << "JIT mini-debug-info added for new type, size=" << PrettySize(symfile.size());
+  } else {
+    VLOG(jit)
+        << "JIT mini-debug-info added for native code at " << code_ptr
+        << ", size=" << PrettySize(symfile.size());
+  }
 
   // Automatically repack entries on regular basis to save space.
   // Pack (but don't compress) recent entries - this is cheap and reduces memory use by ~4x.