Remove crash reporting lib from unit test binaries
Remove crash reporting lib from unit test binaries

This makes it so that the tests can be run again, instead of aborting
because the crash lib can't create the directory it wants to create.
Also...we don't really want crash reports from devs running unit
tests.

Review URL: http://codereview.chromium.org/2745001

joshfire/chromiumos-platform-login_manager,joshfire/chromiumos-platform-login_manager,chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager,joshfire/chromiumos-platform-login_manager,chadversary/chromiumos.platform.login_manager