Add a human readable description of the tagged_addr_ctrl value to tombstones.

Change-Id: Ib9860b282cf749891e0f6ef7697669b94235c236
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index ff03bcd..a4a3c9e 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -191,7 +191,8 @@
        thread_info.tid, thread_info.thread_name.c_str(), process_name);
   _LOG(log, logtype::HEADER, "uid: %d\n", thread_info.uid);
   if (thread_info.tagged_addr_ctrl != -1) {
-    _LOG(log, logtype::HEADER, "tagged_addr_ctrl: %016lx\n", thread_info.tagged_addr_ctrl);
+    _LOG(log, logtype::HEADER, "tagged_addr_ctrl: %016lx%s\n", thread_info.tagged_addr_ctrl,
+         describe_tagged_addr_ctrl(thread_info.tagged_addr_ctrl).c_str());
   }
 }