fix(healthcheck): new flag implemented as a file for health checking in POL...

fix(healthcheck): new flag implemented as a file for health checking in POL (it only appears after all migrations and connections were made)

Change-Id: I7fac1e4f219526b9ac7a4e28f1be1b456d365b5d
Signed-off-by: bravof <fbravo@whitestack.com>
(cherry picked from commit 946821f0)