Using device write to set 0 to signal while streamWaitEvent is checking
the signal.
Use app in SWDEV-314307 to verify this fix
Requires vdi #668012 change to work
Change-Id: Ie329a29cfaeb5d144b92cda36773646f913ca73d
Honor hipEventReleaseToDevice and hipEventReleaseToSystem flags.
hipEventRecord would flush caches if no release flags are provided. To
change this behavior set ROC_EVENT_NO_FLUSH=1
Change-Id: I03e41b515b1d0cf963b0c2d5b9901b09e71a0e59