Added 5 more slaves to host android tests on tryserver.
Added 5 more slaves to host android tests on tryserver.

BUG=379563
R=luqui@chromium.org, navabi@chromium.org, tonyg@chromium.org

Review URL: https://codereview.chromium.org/465473003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@288791 0039d316-1c4b-4281-b951-d872f2087c98

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