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Due to the following bug:
https://code.google.com/p/android/issues/detail?id=76644, it is not
possible in art to create an empty buffer for address NULL. This solve
the issue by creating an empty buffer on a random address. This is not
an issue as the memory will never be accessed.

BUG=406848
R=ppi@chromium.org,yfriedman@chromium.org

Review URL: https://codereview.chromium.org/601163002

Cr-Commit-Position: refs/heads/master@{#296964}