Revert Disable Rotation on Login Pages
Revert "This change is intended to M-43. Currently screen rotation animations expose a bug, causing the login screen to not be useable.
Disable rotation animations while a user is not logged in. This will be later reverted on M-44 where a fix to the underlying issue will be landed."
This reverts commit
274e83a41a63c1746203bc1cee8cefd07ae821c9.
Original review: https://codereview.chromium.org/
1139793003/
The underlying bug was fixed via: https://codereview.chromium.org/
1125283015/
TBR=oshima@chromium.org
BUG=chrome-os-partner:40118
Review URL: https://codereview.chromium.org/
1145963003
Cr-Commit-Position: refs/heads/master@{#330737}