journal: start uprof flush timer after flushing fb deps
journal: start uprof flush timer after flushing fb deps

This avoids us recursively starting the _cogl_journal_flush uprof timer
by only starting it after flushing the journals of dependency
framebuffers.

gcampax/cogl,djdeath/cogl,Distrotech/cogl,gcampax/cogl,Distrotech/cogl,collects/cogl,spatulasnout/cogl,collects/cogl,Distrotech/cogl,djdeath/cogl-android,gcampax/cogl,gcampax/cogl,djdeath/cogl-android,Distrotech/cogl,djdeath/cogl,djdeath/cogl-android,spatulasnout/cogl,djdeath/cogl