am fe0b250b: BannedFilesTest: fix build.

* commit 'fe0b250bbf65c92002685f2b58d980bfa1733fba':
  BannedFilesTest: fix build.
diff --git a/tests/tests/security/src/android/security/cts/BannedFilesTest.java b/tests/tests/security/src/android/security/cts/BannedFilesTest.java
index 132d8cb..6913fb2 100644
--- a/tests/tests/security/src/android/security/cts/BannedFilesTest.java
+++ b/tests/tests/security/src/android/security/cts/BannedFilesTest.java
@@ -20,6 +20,8 @@
 
 import junit.framework.TestCase;
 
+import java.io.File;
+
 public class BannedFilesTest extends TestCase {
 
     public void testNoSyncAgent() {