trousers: use -lmetrics

metrics-$BASE_VER will has $BASE_VER suffix removed.

BUG=chromium:920513
TEST=CQ

Change-Id: I7f208d10b2f7afa1d498cf671a9409004f53e11e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/trousers/+/2335920
Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Commit-Queue: Qijiang Fan <fqj@google.com>
Tested-by: Qijiang Fan <fqj@google.com>
1 file changed