buffet: Conversion between chromeos::Error and weave::Error

libweave has own error to avoid dependency on libchromeos.

BUG=brillo:1257
TEST=`FEATURES=test emerge-gizmo libweave buffet`
CQ-DEPEND=CL:293615

Change-Id: I64227cdecff29826f95df084a284935ed4ec395a
Reviewed-on: https://chromium-review.googlesource.com/293873
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
10 files changed
tree: d58d6a2f5d911961a1a2ff60488885d1fd48e37b
  1. buffet/
  2. dbus-proxies/
  3. Android.mk