tree ab7a426facbc668f3647f4d529899dd32920f1b5
parent ab0d976fa47844870d55c87ab530072cea0c8c53
author Alex Deymo <deymo@google.com> 1454466950 -0800
committer Alex Deymo <deymo@google.com> 1454471006 -0800

Android: Exit from update_engine_client when daemon dies.

When the update_engine daemon dies or is not running,
update_engine_client now exists with an error code and prints a message
stating a daemon-side failure.

Bug: 25631767
TEST=`update_engine_client --follow` and killed update_engine

Change-Id: I7c13df56bd384d2bdbc5df402f730b2797753a10