tree d24d2fefa74c734d26fdc1b2b9e9d1f85c52d841
parent d2a8aad0cd6dfa5f3d3b1fa1162cdcc9601588fc
author Dan Albert <danalbert@google.com> 1416606237 -0800
committer Dan Albert <danalbert@google.com> 1416606237 -0800

Make memtrack an optional module.

This isn't really _needed_ (someone correct me if I'm wrong), and
right now it's preventing some of us from building for flounder
because of the segfaults in ld.

Change-Id: I5bdf81e1daca757e332447af61523c9e2b941a70