Merge "DMS: check cached mode for user apps only" into main
diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index 5b87eea..cb2302a 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -2974,7 +2974,7 @@
 
     // Check if the target app is in cached mode
     private boolean isUidCached(int uid) {
-        if (mActivityManagerInternal == null) {
+        if (mActivityManagerInternal == null || uid < FIRST_APPLICATION_UID) {
             return false;
         }
         int procState = mActivityManagerInternal.getUidProcessState(uid);