cd898208d9
Fetching null stream's logic has changed earlier from amd::HostQueue
to hip::Stream. This seem to cause some timing difference between
checking for null stream and creating it due to which issues are
observed in multithreaded applications using default stream.
Change-Id: Ie02365dec537275d23a1d225de9811e2fd3a9c55
[ROCm/clr commit: 8d265838cb]