Add the new client application 'info'

The new 'info' client prints the provided trace file information. The
first version of the client shows the container version, api type and
the total amount of frames in the trace file. The information can be
printed in JSON format.

Change-Id: I4e8ae593ef8c93dd56ddcd5aa86bc2f141c81b14
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/apitrace/+/2224540
Reviewed-by: Po-Hsien Wang <pwang@chromium.org>
Commit-Queue: Robert Tarasov <tutankhamen@chromium.org>
Tested-by: Robert Tarasov <tutankhamen@chromium.org>
5 files changed