Fix broken behavior around ImportVCardActivity.

The Activity doesn't work when called from Activities outside
the app context (e.g. opening vCard file as an Email attachment).

I808129cf uses onStop() to detect screen orientation, which is
just wrong.

Bug: 3140101
Change-Id: Id4a67d4f1c4a763fdaca38f5301e6d661a5096b3
3 files changed