tree 352777f456f33bd654a6bb9c2f8477029dd6ddf4
parent 6c1cb7f0902df73b66419d5037de485f2b9727fa
author Robert Berry <robertberry@google.com> 1499880359 +0100
committer Robert Berry <robertberry@google.com> 1500041451 +0000

Move duplicated union of HashSets logic into helper class

Bug: 36850431
Test: adb shell am instrument -w -e package com.android.server.backup com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
Change-Id: I83a95919d7b85131cc7ad73575d7a89c7f2d78f9