Add password expiration support to DevicePolicyManager.

Change-Id: Ib2629ec547c123ac489d7f4cbd4e0a1d4aa07620
diff --git a/core/java/android/app/admin/IDevicePolicyManager.aidl b/core/java/android/app/admin/IDevicePolicyManager.aidl
index 3fcd6fc..7acc83e 100644
--- a/core/java/android/app/admin/IDevicePolicyManager.aidl
+++ b/core/java/android/app/admin/IDevicePolicyManager.aidl
@@ -52,6 +52,11 @@
     void setPasswordHistoryLength(in ComponentName who, int length);
     int getPasswordHistoryLength(in ComponentName who);
 
+    void setPasswordExpirationTimeout(in ComponentName who, long expiration);
+    long getPasswordExpirationTimeout(in ComponentName who);
+
+    long getPasswordExpiration(in ComponentName who);
+
     boolean isActivePasswordSufficient();
     int getCurrentFailedPasswordAttempts();