gbmc-bridge: latent bug fix: create directory before placing purge flag Platforms-Affected: all ttf Tested: yes on actual machine Fusion-Link: fusion2 n/a Google-Bug-Id: 421959821 Change-Id: I3ed94c5c5b77ba9e82167440d3c25fca762e9160 Signed-off-by: Mo Elbadry <elbadrym@google.com> (cherry picked from commit f5a6ad9106aea7d326b6185fdf6db5d8a97a128f) (cherry picked from commit ebf789c02366defa7e98b078ced5073ba70eaf8b)