nspr: upgraded package to upstream

Upgrade dev-libs/nspr to version 4.32 on amd64, arm.
Update .build file to fix un-prefixed assembler issue

BUG=chromium:1286150
TEST=Build on asurada and octopus

Change-Id: I8e3257a7db07e4b3260a5a9d08258da3f5640bcd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3361805
Reviewed-by: Sami Kyöstilä <skyostil@chromium.org>
Reviewed-by: Jack Shen <jackshen@google.com>
Reviewed-by: Michael Olney <mpolney@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Tom Shafron <shafron@google.com>
Commit-Queue: Tom Shafron <shafron@google.com>
3 files changed