Merge "Move utils from network stack to libs." am: 21be4fab am: bfadef51...

Merge "Move utils from network stack to libs." am: 21be4fab am: bfadef51 am: 7a3454f4 am: 29826a7a am: c970ae31

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1350083

Change-Id: I55c36bb60ea81f86daa193e9dff738846984e1e7