tree 1796b97550999a0e435add39fd49a76f52685278
parent 0d52bca39e23af789217869fc19fa719b063475f
author Sunny Goyal <sunnygoyal@google.com> 1498150439 -0700
committer Sunny Goyal <sunnygoyal@google.com> 1498152343 -0700

Setting the callback for previewItems to folderIcon. This allows the FolderIcon to get updated
without going through the child'draw pass.
Also simplifying the draw code for the FolderIcon to remove any cycling invalidate calls

Bug: 62900800
Change-Id: I17009a5347a1c3c35426313ac759e0240ce6a395