From 4ab77d12358dbeb7f06cd64cf3f32a6bdc75c4a4 Mon Sep 17 00:00:00 2001
From: Sean Stout <sstout@google.com>
Date: Tue, 9 Mar 2021 18:12:34 -0800
Subject: [PATCH] Fix DisplayGroup event reporting behavior.

The check for whether a group had been previously updated was incorrect.

Bug: 182322424
Test: Add a DisplayGroup and see the correct event is fired.
Change-Id: I085b6b1e7cdf73a4dd8311c50e26a4f2d4a9e769
---
 .../java/com/android/server/display/LogicalDisplayMapper.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/display/LogicalDisplayMapper.java b/services/core/java/com/android/server/display/LogicalDisplayMapper.java
index d6826be248df3..fcfa674dcc4e3 100644
--- a/services/core/java/com/android/server/display/LogicalDisplayMapper.java
+++ b/services/core/java/com/android/server/display/LogicalDisplayMapper.java
@@ -357,7 +357,7 @@ class LogicalDisplayMapper implements DisplayDeviceRepository.Listener {
         for (int i = mDisplayGroups.size() - 1; i >= 0; i--) {
             final int groupId = mDisplayGroups.keyAt(i);
             final DisplayGroup group = mDisplayGroups.valueAt(i);
-            final boolean wasPreviouslyUpdated = mUpdatedDisplayGroups.indexOfKey(groupId) < 0;
+            final boolean wasPreviouslyUpdated = mUpdatedDisplayGroups.indexOfKey(groupId) > -1;
             final int changeCount = group.getChangeCountLocked();
 
             if (group.isEmptyLocked()) {