tree 5ac0800c717af56beefa0424191268640d091348
parent dc9385aad49bf2ba24c1221a5d4558a1ac69f97a
author Jorim Jaggi <jjaggi@google.com> 1494947478 +0200
committer Jorim Jaggi <jjaggi@google.com> 1494963968 +0200

Use ArrayList as children

Such that traversal is O(n) instead of O(n²)

Test: WindowContainerTests
Bug: 32668632
Change-Id: Ie52026a76a0f65c71ff6bd35d13b3d0c5d44bb3f