Change-Id: I354f36b0d7a0baea0efb75d5e81f169b5f969542
Change-Id: I12d88af726074fb15f8159580c85c12888f72172
Move the tracer_tool from the 'test' directory to the 'src' directory. Change-Id: I13768b9610cd359f78a66147f0255ab1e4c657e9