Revert "Clean up visibility related flags in WindowToken"

This reverts commit cf0d2ae88dddc97b4873a2df787a5e962395bfe1.

Reason for revert: broke dev test (com.roidapp.photogrid)
Fixes: 144403961

Change-Id: I77920d16062190b4565d4c95687b06fc587f9817
(cherry picked from commit 7b9e257908deb8eb544b88384dfc1a8af4323272)
16 files changed