Revert "Revert "move device headers to core""

This reverts commit d4bdee5f2c4c2c1387426d287f61645b5af8f8e0.

BUG=skia:

Change-Id: If5c316f8585881e43321412a2a38f97fd4aa5f02
Reviewed-on: https://skia-review.googlesource.com/7315
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
3 files changed