make_chroot: Install the build tools before toolchain updates.

libtool needs newer sandbox and is auto updated after GCC update.
Let's move the build of some important tools before the toolchain
update.

BUG=chromium:842316
TEST=libtool builds in chromiumos-sdk.

Change-Id: I413953e1c9b8adc1f65df74e6feb36e4f6df651d
Reviewed-on: https://chromium-review.googlesource.com/1056037
Commit-Ready: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Caroline Tice <cmtice@chromium.org>
Reviewed-by: Benjamin Gordon <bmgordon@chromium.org>
1 file changed