Sync Android UI: Use GetChosenDataTypes over GetPreferredDataTypes

We were already using SetChosenDataTypes.
Unfortunately, GetPreferredDataTypes must still be exposed to the Java
side because invalidations code needs it.

Bug: 884159
Change-Id: I42745e28a312a3ad0494392d2a283c75fa36b08e
Reviewed-on: https://chromium-review.googlesource.com/c/1339865
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Reviewed-by: Boris Sazonov <bsazonov@chromium.org>
Commit-Queue: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608754}
6 files changed