Merge cherrypicks of [14163682, 14163683, 14164173, 14163919, 14161517, 14161321, 14164586, 14163920, 14161700] into rvc-qpr3-release

Change-Id: I88ee3f024a5af94adaf8ecef49bc1109fa1e4f50
diff --git a/src/com/android/settings/ActivityPicker.java b/src/com/android/settings/ActivityPicker.java
index ae61944..f75ce37 100644
--- a/src/com/android/settings/ActivityPicker.java
+++ b/src/com/android/settings/ActivityPicker.java
@@ -16,6 +16,8 @@
 
 package com.android.settings;
 
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
 import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -71,6 +73,8 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
+        getWindow().addPrivateFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
         
         final Intent intent = getIntent();