Use Bazel Preconditions variant which avoids varargs array creation

Reduces garbage.

--
MOS_MIGRATED_REVID=109914243
diff --git a/src/main/java/com/google/devtools/build/lib/query2/BlazeQueryEnvironment.java b/src/main/java/com/google/devtools/build/lib/query2/BlazeQueryEnvironment.java
index db006b5..1b3cc8a 100644
--- a/src/main/java/com/google/devtools/build/lib/query2/BlazeQueryEnvironment.java
+++ b/src/main/java/com/google/devtools/build/lib/query2/BlazeQueryEnvironment.java
@@ -14,7 +14,6 @@
 package com.google.devtools.build.lib.query2;
 
 import com.google.common.base.Function;
-import com.google.common.base.Preconditions;
 import com.google.common.base.Predicate;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
@@ -46,6 +45,7 @@
 import com.google.devtools.build.lib.query2.engine.QueryUtil.AggregateAllCallback;
 import com.google.devtools.build.lib.query2.engine.SkyframeRestartQueryException;
 import com.google.devtools.build.lib.query2.engine.Uniquifier;
+import com.google.devtools.build.lib.util.Preconditions;
 import com.google.devtools.build.lib.vfs.PathFragment;
 
 import java.util.Collection;