Prevent apps from spamming addAccountExplicitly. am: 551d70e1c8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15624525

Change-Id: If96923b691c90b4d2f6e247db3474aba99183383

services/core/java/com/android/server/accounts/AccountManagerService.java

@@ -1815,8 +1815,8 @@ public class AccountManagerService
                         return false;
                     }
                     if (accounts.accountsDb.findAllDeAccounts().size() > 100) {
-                        Log.w(TAG, "insertAccountIntoDatabase: " + account
-                                + ", skipping since more than 50 accounts on device exist");
+                        Log.w(TAG, "insertAccountIntoDatabase: " + account.toSafeString()
+                                + ", skipping since more than 100 accounts on device exist");
                         return false;
                     }
                     long accountId = accounts.accountsDb.insertCeAccount(account, password);