[vr] Move Java and resources to //chrome/android/features/vr

Bug: 870056
Change-Id: I6e1dbf041d0b57a9457eb421cf7a4cc2a9cc7ebc
Reviewed-on: https://chromium-review.googlesource.com/c/1494721
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636818}
111 files changed