Add a new utility to improve stack traces from automatic testing am: 6b56526bec am: 3d027127ae

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1821095

Change-Id: I65e9cfc6d19add6bc4f57a6a4d99f671436c2ffc
tree: f65618f36c612d547aff1c71d6feb3f9595c4adc
  1. staticlibs/