Changes

jobs/ttcn3-testsuites-testenv: hlr: add -c osmo_hlr

Now that it is also possible to run the HLR tests against PyHSS, add
"-c osmo_hlr" to run the existing ttcn3-hlr-test jobs against osmo-hlr.
I plan to add jobs for PyHSS later in a separate patch.

Related: OS#6862
Depends: osmo-ttcn3-hacks I7a7e709ec02a9bf44343fff4df2861dfe4e1a761
Change-Id: Ic7acd3ca654580aa8e5a52f162f5c9042fc7d09f