ash: Make applist container behind launcher container.
ash: Make applist container behind launcher container.

BUG=120660
TEST=Verify launcher is clickable when applist is present per issue 120660.


Review URL: http://codereview.chromium.org/9837117

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@129497 0039d316-1c4b-4281-b951-d872f2087c98

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