devserver: expose xbuddy path translation via RPC

BUG=chromium:362296
TEST=tested with a devserver instance

Change-Id: I61a72c5a05cabe7774d560d0037f77d93af3de03
Reviewed-on: https://chromium-review.googlesource.com/194153
Tested-by: Yu-Ju Hong <yjhong@chromium.org>
Reviewed-by: Chris Sosa <sosa@chromium.org>
Commit-Queue: Yu-Ju Hong <yjhong@chromium.org>
2 files changed