Only broadcast screenshot error to the current user.

Bug: 28807226
Change-Id: I428ecc5572d7522580cdf38bded2fff9cf07abc2
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index b30817f..b3c5743 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -5411,7 +5411,7 @@
         errorIntent.setComponent(errorComponent);
         errorIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
                 Intent.FLAG_RECEIVER_FOREGROUND);
-        mContext.sendBroadcastAsUser(errorIntent, UserHandle.ALL);
+        mContext.sendBroadcastAsUser(errorIntent, UserHandle.CURRENT);
     }
 
     /** {@inheritDoc} */