Use IDisableable base class for implementations

Test: unit tests
Bug: 62666131
Change-Id: Ifba872063005601a41a5261fcab7edae786b6bbe

2 files changed, 2 insertions, 2 deletions

diff --git a/src/com/android/tradefed/targetprep/ExampleTargetPreparer.java b/src/com/android/tradefed/targetprep/ExampleTargetPreparer.java
index 0aa6343..84110f1 100644
--- a/src/com/android/tradefed/targetprep/ExampleTargetPreparer.java
+++ b/src/com/android/tradefed/targetprep/ExampleTargetPreparer.java
@@ -23,7 +23,7 @@ import com.android.tradefed.device.ITestDevice;
  * Placeholder empty implementation of a {@link ITargetPreparer}.
  */
 // TODO: Delete when real target preparers live here.
-public class ExampleTargetPreparer implements ITargetPreparer {
+public class ExampleTargetPreparer extends BaseTargetPreparer {
 
     /**
      * {@inheritDoc}
diff --git a/src/com/android/tradefed/targetprep/SetPackagesRecentlyUsed.java b/src/com/android/tradefed/targetprep/SetPackagesRecentlyUsed.java
index 5f1bb21..90986b9 100644
--- a/src/com/android/tradefed/targetprep/SetPackagesRecentlyUsed.java
+++ b/src/com/android/tradefed/targetprep/SetPackagesRecentlyUsed.java
@@ -15,7 +15,7 @@ import java.util.concurrent.TimeUnit;
  * Reads the list of packages on the phone and sets all packages to be 'last used' 24 hrs ago.
  * Writes to /data/system/package-usage.list and deletes it at teardown.
  */
-public class SetPackagesRecentlyUsed implements ITargetPreparer, ITargetCleaner {
+public class SetPackagesRecentlyUsed extends BaseTargetPreparer implements ITargetCleaner {
 
     private static final String LINE_PREFIX = "package:";
     private static final String PACKAGE_USAGE_FILE = "/data/system/package-usage.list";