Android: update copied enum values in Java code

The InputMethodHint enum values were changed between Qt 4.8 and 5.1, and
the hardcoded copies were not updated. Thanks to Lasconic for finding
the solution to this problem.

Task-number: QTBUG-32072
Task-number: QTBUG-32710
Change-Id: I3eb1192911a9c48d7720e85b91bee1af693a669d
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>