This change adds the -z command line flag to atrace to enable support for
compressing the trace with zlib as it's printed to stdout.
Change-Id: I45301c63a4d1d388152244fec3c9e05e554598e8
This change makes the atrace module tag 'debug' so that the binary is
included in all debug builds.
Change-Id: I1fdb87be0461daf686e52ded04b37b9a122edea3