Relax glibc dependency to 2.17 on M61

This CL is a merge of "Roll buildtools to d511e4" [1], and a selective
merge of "Relax glibc requirement to 2.17" [2] (only the
expected_deps* files).

[1] https://chromium.googlesource.com/chromium/src.git/+/d12900b02e627d4d6af55c93b731e8ac6d5ee906
[2] https://chromium.googlesource.com/chromium/src.git/+/c2e32f4639a6c56eef7fc4f65160ac2896eca0f1

BUG=749077
TBR=thestig@chromium.org
NOPRESUBMIT=true
NOTRY=true
NOTREECHECKS=true

Change-Id: I8d2aa785b1db4011815c91c5e7d34d9ea89157b9
Reviewed-on: https://chromium-review.googlesource.com/598631
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/branch-heads/3163@{#243}
Cr-Branched-From: ff259bab28b35d242e10186cd63af7ed404fae0d-refs/heads/master@{#488528}
3 files changed