Add sync_unit_tests and unit_tests to ios_dbg_simulator try server.
Add sync_unit_tests and unit_tests to ios_dbg_simulator try server.

BUG=160792
Review URL: https://codereview.chromium.org/12094030

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@179323 0039d316-1c4b-4281-b951-d872f2087c98

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