update to libbase-242728

BUG=chromium:331128
TEST=`FEATURES=test emerge-x86-alex platform2` works
TEST=`cbuildbot chromiumos-sdk` works
CQ-DEPEND=CL:185131

Change-Id: Ia03a6ea7aaf6b4ee5d9c512ebf7080c0c28920f1
Reviewed-on: https://chromium-review.googlesource.com/185150
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
22 files changed
tree: 04a9fcf96eae791e6b175338e1f0451e404bf8c6
  1. crash_reporter/