Fix wrong MSIME check in onImeWindowSetOnDisplay.

Fix: 129723692
Test: atest MultiDisplaySystemDecorationTests
Change-Id: Ib6a53e824def582d1f6f83e4012dc62319ef609d
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index b424904..e885996 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -6480,9 +6480,10 @@
          */
         @Override
         public void onImeWindowSetOnDisplay(final int pid, final int displayId) {
-            // Update display configuration for IME process only when Single-client IME window
-            // moving to another display.
-            if (!InputMethodSystemProperty.MULTI_CLIENT_IME_ENABLED) return;
+            // Don't update process-level configuration for Multi-Client IME process since other
+            // IMEs on other displays will also receive this configuration change due to IME
+            // services use the same application config/context.
+            if (InputMethodSystemProperty.MULTI_CLIENT_IME_ENABLED) return;
 
             if (pid == MY_PID || pid < 0) {
                 if (DEBUG_CONFIGURATION) {