Why do Android phones keep sending heartbeats to Baidu or Google?

when I use Fiddler as an agent, I found that my Huawei phone has been sending heartbeats to Baidu and Google, but the phone does not have software about Baidu or Google. Why does this happen and how to solve it?
Apr.19,2021

use Baidu's user statistics sdk bar

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e87105-5bc42.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e87105-5bc42.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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