Track moves of dex utilities to another package.

See dalvik change 9b727480c36cd87805dd13eca3eac5d8664c5b2f

Change-Id: If1fb87516f1a61b9dbb6d4ca0418a933041c07e1

Conflicts:
	tools/vm-tests/src/util/build/BuildDalvikSuite.java
diff --git a/tools/vm-tests-tf/src/util/build/BuildDalvikSuite.java b/tools/vm-tests-tf/src/util/build/BuildDalvikSuite.java
index 20429f0..9d4bbed 100644
--- a/tools/vm-tests-tf/src/util/build/BuildDalvikSuite.java
+++ b/tools/vm-tests-tf/src/util/build/BuildDalvikSuite.java
@@ -16,7 +16,7 @@
 
 package util.build;
 
-import com.android.dx.util.FileUtils;
+import com.android.dex.util.FileUtils;
 
 import dot.junit.AllTests;