7115199: Add event tracing hooks and Java Flight Recorder infrastructure Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR. Reviewed-by: acorn, sspitsyn Contributed-by: markus.gronlund@oracle.com

os_family = solaris+
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arch = x86+
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arch_model = x86_32+
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os_arch = solaris_x86+
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os_arch_model = solaris_x86_32+
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lib_arch = i386+
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compiler = gcc+
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sysdefs = -DSOLARIS -D_GNU_SOURCE -DIA32+
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