[ FAB-5434 ] Fix mysql internal_DB permissions
[ FAB-5434 ] Fix mysql internal_DB permissions

Fixes the initialization error of mysql server
in fvt tests. This is a problem that is exclusive to
the x86 CI build machines.

Change-Id: I054911218d1906e7a6ecf221e89bc9bee129ac3c
Signed-off-by: rennman <29fe0a148da448c247e16341ea6f178eeedfc062@us.ibm.com>

saadk10/fabric-ca,saadk10/fabric-ca