mtpd: Uprev to libchrome r369476

libchrome is being updated to a new version and a number of APIs
have changed. Updating the clients using those APIs...

BUG=b/26772882
TEST=./build_packages --board={link|whirlwind}
CQ-DEPEND=CL:323378

Change-Id: I86e23b35dab9aac0e4ccbecbd5cbc75c81b5ecd1
Reviewed-on: https://chromium-review.googlesource.com/323325
Commit-Ready: Alex Vakulenko <avakulenko@google.com>
Tested-by: Alex Vakulenko <avakulenko@google.com>
Reviewed-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Yuki Awano <yawano@chromium.org>
8 files changed