Send DROPBOX_ENTRY_ADDED to all users

- DROPBOX_ENTRY_ADDED is sent to the system user.
- In headless system user, the current user could not be the system
user.
- This CL make it broadcasted to all interested receivers.

Bug: 158246058
Test: atest
CtsAppExitTestCases: android.app.cts.ActivityManagerAppExitInfoTest#testAnr
Change-Id: I897782a809ef5a115c536b03348296bdc4166630
diff --git a/services/core/java/com/android/server/DropBoxManagerService.java b/services/core/java/com/android/server/DropBoxManagerService.java
index 028d412..6560824 100644
--- a/services/core/java/com/android/server/DropBoxManagerService.java
+++ b/services/core/java/com/android/server/DropBoxManagerService.java
@@ -260,7 +260,7 @@
             if (!DropBoxManagerService.this.mBooted) {
                 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
             }
-            getContext().sendBroadcastAsUser(intent, UserHandle.SYSTEM,
+            getContext().sendBroadcastAsUser(intent, UserHandle.ALL,
                     android.Manifest.permission.READ_LOGS);
         }