Fix path for evtest

Evtest is now in /usr/bin instead of /usr/local/bin. The script will
just work without the prefix.

BUG=None
TEST=local deploy and test

Change-Id: I6166197be397575eecc9cea5ecc59d8aad330531
Reviewed-on: https://chromium-review.googlesource.com/751963
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
1 file changed