Merge "Move Activity multi-window event logic out of the public methods" into nyc-dev
am: 56e2aeba8f

* commit '56e2aeba8fb40190dbe1303ae1d299e77e764b44':
  Move Activity multi-window event logic out of the public methods

Change-Id: I7c774d19ff87c52594642f1e5f277f26a2a28b39