tools/maven/package.bzl: Use bazelisk instead bazel

This is needed to release gitiles.

Change-Id: I1a1a42fd29ddef1729bf2d4970ffece2bf8dce69

tools/maven/package.bzl

diff --git a/tools/maven/package.bzl b/tools/maven/package.bzl
index 06feecd..9b54e47 100644
--- a/tools/maven/package.bzl
+++ b/tools/maven/package.bzl
@@ -31,7 +31,7 @@
         jar = {},
         src = {},
         doc = {}):
-    build_cmd = ["bazel", "build"]
+    build_cmd = ["bazelisk", "build"]
     mvn_cmd = [
         "$(location @com_googlesource_gerrit_bazlets//tools/maven:mvn.py)",
         "-v",