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

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

Change-Id: I587f022c0a53dc56e654738686e222d384039500
tree: f65618f36c612d547aff1c71d6feb3f9595c4adc
  1. staticlibs/