Add LightCycle helper class.

LightCycleHelper also receives event of package changes to get updated.

bug:6912297
Change-Id: Ib822ee778537b64986389bf8eeec36f61c9289f2
1 file changed
tree: 086fd1937693f2353b08e0192cfa4ac826aa94a8
  1. gallerycommon/