Indicate if bot_update is active in telemetry data.
Indicate if bot_update is active in telemetry data.

R=hinoka@chromium.org, stip@chromium.org
BUG=

Review URL: https://codereview.chromium.org/267383003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@269897 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build