[TO_STAGE] Bug 1104902 - Replace "restart" with "start" in Watchman OOM Plugin

This is my suggestion to fix https://bugzilla.redhat.com/show_bug.cgi?id=1104902

Since we know that the gear will be stopped, it seemed hackish to modify the "restart" operation.  What we are doing is a start, so let's name the operation appropriately.

@jwhonce , what do you think?