From 340621a7fdcc6f8ef471c89fe639b1b9ec0b8fae Mon Sep 17 00:00:00 2001
From: Dmitry Dementyev <dementyev@google.com>
Date: Tue, 10 Nov 2020 09:54:36 -0800
Subject: Protect GrantCredentialsPermissionActivity against overlay.

Bug: 169763814
Test: manual
Merged-In: I15dd22791fcc61ef02b06ad51d9e4409d11c0181
Change-Id: I0d8f901d100a5e2a022c96fa6c2be75a11c58059
(cherry picked from commit deddb784d0c4b3dab69045dd4f98a89d6fca5f52)
---
 core/java/android/accounts/GrantCredentialsPermissionActivity.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/java/android/accounts/GrantCredentialsPermissionActivity.java b/core/java/android/accounts/GrantCredentialsPermissionActivity.java
index 7e41dbe7c177..d82776f8e45c 100644
--- a/core/java/android/accounts/GrantCredentialsPermissionActivity.java
+++ b/core/java/android/accounts/GrantCredentialsPermissionActivity.java
@@ -55,6 +55,9 @@ public class GrantCredentialsPermissionActivity extends Activity implements View
 
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        getWindow().addPrivateFlags(
+                android.view.WindowManager.LayoutParams
+                        .PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
         setContentView(R.layout.grant_credentials_permission);
         setTitle(R.string.grant_permissions_header_text);
 
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