nspr: Uprev NSPR to 4.14

Update NSPR to 4.14. As upstream is using EAPI=6, modify it back to
EAPI=5 to work with ebuild.

BUG=chromium:724574
TEST=equery-${BOARD} which dev-libs/nspr shows the same version
CQ-DEPEND=CL:519845

Change-Id: Ic4c5f50ea9a88941f645a5be822abfa6a8dd5ca1
Previous-Reviewed-on: https://chromium-review.googlesource.com/509172
(cherry picked from commit d1693d832b47c57a5ff392f8641c9e212024861f)
Reviewed-on: https://chromium-review.googlesource.com/519944
Commit-Queue: Ryan Sleevi <rsleevi@chromium.org>
Tested-by: Ryan Sleevi <rsleevi@chromium.org>
Trybot-Ready: Ryan Sleevi <rsleevi@chromium.org>
Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed