The ROCR now detects already loaded tool libraries and calls OnLoad/
OnUnload in the order specified with HSA_AMD_TOOL_ORDER.
It is no longer necessary to set the HSA_TOOLS_LIB environment variable
to load the roctracer API. The roctracer tool library should be
pre-loaded with LD_PRELOAD.
Change-Id: I6de1b1bd4f93caa08d3554aad2376d242c74fb7e
[ROCm/roctracer commit: d32cf96cd4]
Laurent Morichetti
46061428fa