Disable bot_update on linux_chromeos_browser_asan
Disable bot_update on linux_chromeos_browser_asan

Re-enable after TS restart to pick up https://codereview.chromium.org/248463002/

BUG=361346
TBR=agable

Review URL: https://codereview.chromium.org/253483002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@265979 0039d316-1c4b-4281-b951-d872f2087c98

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