Re-enable BWSI profile permissions test to coincide with landing of 13173 fix

Change-Id: If6270dcd8d2285b946a79d12863812abfd290934

BUG=chromium-os:13173
TEST=run_remote_test ... security_ProfilePermissions will now run 2 iterations,
one tagged "BWSI"

Review URL: http://codereview.chromium.org/6900001
1 file changed