Refactor android.backup -> android.app.backup

Change-Id: I0ea45d114ef642bb50b0ea155cfc59f20da1f430
diff --git a/src/com/android/inputmethod/latin/LatinIMEBackupAgent.java b/src/com/android/inputmethod/latin/LatinIMEBackupAgent.java
index b6a800e..62da86c 100644
--- a/src/com/android/inputmethod/latin/LatinIMEBackupAgent.java
+++ b/src/com/android/inputmethod/latin/LatinIMEBackupAgent.java
@@ -16,8 +16,8 @@
 
 package com.android.inputmethod.latin;
 
-import android.backup.BackupHelperAgent;
-import android.backup.SharedPreferencesBackupHelper;
+import android.app.backup.BackupHelperAgent;
+import android.app.backup.SharedPreferencesBackupHelper;
 
 /**
  * Backs up the Latin IME shared preferences.
diff --git a/src/com/android/inputmethod/latin/LatinIMESettings.java b/src/com/android/inputmethod/latin/LatinIMESettings.java
index 82f5d54..f76ec99 100644
--- a/src/com/android/inputmethod/latin/LatinIMESettings.java
+++ b/src/com/android/inputmethod/latin/LatinIMESettings.java
@@ -21,7 +21,7 @@
 
 import android.app.AlertDialog;
 import android.app.Dialog;
-import android.backup.BackupManager;
+import android.app.backup.BackupManager;
 import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.os.Bundle;