Don't bother with nacl_integration on the 64 bit Mac tester.
Don't bother with nacl_integration on the 64 bit Mac tester.

BUG=223660
TEST=tester might go green (fingers crossed)

Review URL: https://chromiumcodereview.appspot.com/16195009

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@203612 0039d316-1c4b-4281-b951-d872f2087c98

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