Adds SourceLevelDebugPkg to the "OTHER" CI matrix job so it is built
in edk2 CI.
Cc: Sean Brogan <sean.brogan@microsoft.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Hao A Wu <hao.a.wu@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com> Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>