Use Bazel Preconditions variant which avoids varargs array creation

Reduces garbage.

--
MOS_MIGRATED_REVID=109914243

src/main/java/com/google/devtools/build/skyframe/BuildingState.java

diff --git a/src/main/java/com/google/devtools/build/skyframe/BuildingState.java b/src/main/java/com/google/devtools/build/skyframe/BuildingState.java
index 0fe858e..9de91be 100644
--- a/src/main/java/com/google/devtools/build/skyframe/BuildingState.java
+++ b/src/main/java/com/google/devtools/build/skyframe/BuildingState.java
@@ -15,12 +15,12 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.MoreObjects.ToStringHelper;
-import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadCompatible;
 import com.google.devtools.build.lib.util.GroupedList;
 import com.google.devtools.build.lib.util.GroupedList.GroupedListHelper;
+import com.google.devtools.build.lib.util.Preconditions;
 import com.google.devtools.build.skyframe.NodeEntry.DirtyState;
 
 import java.util.Collection;