Deprecate old constructors. Intended to make java api consistent with the changes in https://webrtc-review.googlesource.com/c/src/+/46622. Bug: webrtc:8830 Change-Id: Iadecb5d033b5de841873905af659d8d234b75c7d Reviewed-on: https://webrtc-review.googlesource.com/49062 Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21956}