Disable Linux32 on chromium.chromedriver
Disable Linux32 on chromium.chromedriver

This bot is low disk space AND low memory, so it can't run the bootstrap code
neither can it do a clean checkout by itself.

BUG=390639
TBR=agable

Review URL: https://codereview.chromium.org/369583003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@281053 0039d316-1c4b-4281-b951-d872f2087c98

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