Add a binary to dump demangled names.

Test: Ran the executable and verified names get demangled.
Test: Ran with the -c option to verify it compares demangled names.
Change-Id: I9118ccc4398980346d26f615cdfed0bb756b52fe
diff --git a/demangle/Android.bp b/demangle/Android.bp
index e80cdc5..96ab57d 100644
--- a/demangle/Android.bp
+++ b/demangle/Android.bp
@@ -43,6 +43,15 @@
     ],
 }
 
+cc_binary {
+    name: "demangle",
+    defaults: ["libdemangle_defaults"],
+    srcs: ["demangle.cpp"],
+    host_supported: true,
+
+    shared_libs: ["libdemangle"],
+}
+
 //-------------------------------------------------------------------------
 // Unit Tests
 //-------------------------------------------------------------------------