Send out a broadcast that the system is being
factory reset.

Change-Id: I339b7ce58cb3f48316103be49b582d4f7e9b63bf
diff --git a/core/java/android/os/RecoverySystem.java b/core/java/android/os/RecoverySystem.java
index 6d19f41..74b4fcb 100644
--- a/core/java/android/os/RecoverySystem.java
+++ b/core/java/android/os/RecoverySystem.java
@@ -16,6 +16,11 @@
 
 package android.os;
 
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -37,9 +42,6 @@
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
-import android.content.Context;
-import android.util.Log;
-
 import org.apache.harmony.security.asn1.BerInputStream;
 import org.apache.harmony.security.pkcs7.ContentInfo;
 import org.apache.harmony.security.pkcs7.SignedData;
@@ -336,8 +338,21 @@
      * @throws IOException  if writing the recovery command file
      * fails, or if the reboot itself fails.
      */
-    public static void rebootWipeUserData(Context context)
-        throws IOException {
+    public static void rebootWipeUserData(Context context) throws IOException {
+        final ConditionVariable condition = new ConditionVariable();
+
+        Intent intent = new Intent("android.intent.action.MASTER_CLEAR_NOTIFICATION");
+        context.sendOrderedBroadcast(intent, android.Manifest.permission.MASTER_CLEAR,
+                new BroadcastReceiver() {
+                    @Override
+                    public void onReceive(Context context, Intent intent) {
+                        condition.open();
+                    }
+                }, null, 0, null, null);
+
+        // Block until the ordered broadcast has completed.
+        condition.block();
+
         bootCommand(context, "--wipe_data");
     }
 
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index c8295d7..301de2c 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -55,6 +55,7 @@
     <protected-broadcast android:name="android.intent.action.NEW_OUTGOING_CALL" />
     <protected-broadcast android:name="android.intent.action.REBOOT" />
     <protected-broadcast android:name="android.intent.action.DOCK_EVENT" />
+    <protected-broadcast android:name="android.intent.action.MASTER_CLEAR_NOTIFICATION" />
 
     <protected-broadcast android:name="android.app.action.ENTER_CAR_MODE" />
     <protected-broadcast android:name="android.app.action.EXIT_CAR_MODE" />