bootchart2: upgraded package to upstream

Upgraded app-benchmarks/bootchart2 to version 0.14.8-r1 on amd64

BUG=chromium:1111336
TEST=CQ-passes

Change-Id: I87822b499839e2bfb3f84aa752549ea5e39b5eca
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2328826
Tested-by: Allen Webb <allenwebb@google.com>
Auto-Submit: Allen Webb <allenwebb@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
5 files changed