tree 5b9ae6ffe032b868a3bedf8f183c4835e87d65d2
parent 6aa7a58554b14a54ac29b34b24d66c3579e01648
author Zach Kuznia <zork@google.com> 1479234987 -0800
committer Zach Kuznia <zork@google.com> 1479700681 -0800

Allow the parent to be set for nodes created by ExploreByTouchHelper.

Test: Run Support4Demos and check that the hierarchy is setup in the
ExploreByTouch test.

Change-Id: Iae0fbcb310e6984c6fa4dc4ef51c36b3270280b7