First pass at new device policy and administration APIs.

This adds new DevicAdmin, DevicePolicyManager, and DeviceAdminInfo classes.
See the java docs for each on documentation on them.  Basically: a DeviceAdmin
is what you derive from to administer a device; DevicePolicyManager is what you
use to apply and check your policy requirements and perform other administration
tasks.
diff --git a/core/java/android/app/IDevicePolicyManager.aidl b/core/java/android/app/IDevicePolicyManager.aidl
new file mode 100644
index 0000000..f62647f
--- /dev/null
+++ b/core/java/android/app/IDevicePolicyManager.aidl
@@ -0,0 +1,49 @@
+/*
+**
+** Copyright 2010, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.app;
+
+import android.content.ComponentName;
+
+/**
+ * Internal IPC interface to the device policy service.
+ * {@hide}
+ */
+interface IDevicePolicyManager {
+    void setPasswordMode(in ComponentName who, int mode);
+    int getPasswordMode();
+    int getActivePasswordMode();
+    
+    void setMinimumPasswordLength(in ComponentName who, int length);
+    int getMinimumPasswordLength();
+    int getActiveMinimumPasswordLength();
+    
+    int getCurrentFailedPasswordAttempts();
+    
+    void setMaximumTimeToLock(in ComponentName who, long timeMs);
+    long getMaximumTimeToLock();
+    
+    void wipeData(int flags);
+    
+    void setActiveAdmin(in ComponentName policyReceiver);
+    ComponentName getActiveAdmin();
+    void removeActiveAdmin(in ComponentName policyReceiver);
+    
+    void setActivePasswordState(int mode, int length);
+    void reportFailedPasswordAttempt();
+    void reportSuccessfulPasswordAttempt();
+}