This commit updates the downloader tool to
download all binaries and sources as default.
Test Plan:
Pass: run downloader without args
Pass: downloader -s
Pass: downloader -b
Story: 2008846
Task: 46726
Signed-off-by: Dostoievski Batista <dostoievski.albinobatista@windriver.com>
Change-Id: Ibdad5d106cbb81b732da4122e487db80ab0e8cd5