Revert 141498 - Re-enable a couple of aura_shell_unittests cases for the asan...

Revert 141498 - Re-enable a couple of aura_shell_unittests cases for the asan failure has been fixed in app list code.

It looks like heap issue should have been fixed by xiyuan's cl:
http://crrev.com/136506

Since they have the same stack.

BUG=127538
TEST=NONE

Review URL: https://chromiumcodereview.appspot.com/10539087

TBR=jennyz@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10533088

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@141509 0039d316-1c4b-4281-b951-d872f2087c98