Provide a function to set the received times tamp of a job
Provide a function to set the received times tamp of a job

This is the pure function for changing the received time stamp;
obtaining the actual time stamp has to be done in IO.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>

leshchevds/ganeti,apyrgio/ganeti,mbakke/ganeti,mbakke/ganeti,leshchevds/ganeti,bitemyapp/ganeti,mbakke/ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,yiannist/ganeti,ganeti/ganeti,grnet/snf-ganeti,onponomarev/ganeti,andir/ganeti,ganeti-github-testing/ganeti-test-1,andir/ganeti,leshchevds/ganeti,ganeti/ganeti,bitemyapp/ganeti,apyrgio/ganeti,grnet/snf-ganeti,yiannist/ganeti,onponomarev/ganeti,ganeti/ganeti,yiannist/ganeti,andir/ganeti