Ensure package broadcast whitelist is AppIds

Filter apps for package broadcasts by app Id, not UID.

Fixes: 153653208
Test: atest AppEnumerationTests
Change-Id: Ibd76862b45839bf3c56b8507d57ca4d790cd9ba3

services/core/java/com/android/server/pm/AppsFilter.java

@@ -612,7 +612,7 @@ public class AppsFilter {
                     }
                     final int insert = ~loc;
                     System.arraycopy(appIds, insert, buffer, 0, whitelistSize - insert);
-                    appIds[insert] = existingUid;
+                    appIds[insert] = existingAppId;
                     System.arraycopy(buffer, 0, appIds, insert + 1, whitelistSize - insert);
                     whitelistSize++;
                 }