Fix breakpoints.

My manual testing in jdb worked because I only ever set breakpoints at
offset 0, which is the same whether you're using bytecode or 16bitcode.

Change-Id: I7aae1961d08fc008af275ff0d1ae1f1e4619fa18
diff --git a/src/jdwp/jdwp.h b/src/jdwp/jdwp.h
index 7bbc54f..a3f4b69 100644
--- a/src/jdwp/jdwp.h
+++ b/src/jdwp/jdwp.h
@@ -79,6 +79,8 @@
   uint64_t idx; // A Dex PC.
 };
 std::ostream& operator<<(std::ostream& os, const JdwpLocation& rhs);
+bool operator==(const JdwpLocation& lhs, const JdwpLocation& rhs);
+bool operator!=(const JdwpLocation& lhs, const JdwpLocation& rhs);
 
 /*
  * How we talk to the debugger.