Merge "Add helper function to check if collection is empty" am: 78e2f0d124 am: 0a62bcbc24

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1605116

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idedfd108bac297ec564776ce237829848ebb622f
tree: b75594e46c909be1fe2c2901d6518f292347bf65
  1. staticlibs/