tree ae0a2b348446d186ea3f548da92f391a6ec0b0a2
parent 0ac780031fc51c7d60cecfb3a4c64c975b9bd792
author William Xiao <wxyz@google.com> 1566003606 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1566003606 +0000

[settings] Return error for a11y service watch/set methods

This update makes a11y service match the other services in
fuchsia.settings and allows us to return information about
success/failure.

Change-Id: I914adb1fcf530f7c85d37081bb11da5608597093