dev-util/strace: version bump to 4.15

BUG=None
TEST=ran it on some apps and looked at the decode output

Change-Id: I41ba88e6b79bc6d43cd06e11eaf0b3984615e658
Reviewed-on: https://chromium-review.googlesource.com/428950
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
2 files changed