[Status Bar] Fix carrier and userSwitchName text style flaw

These textview style has been polished in 2019, but not sync with java
 code. When users change theme, it will be going to recreate with wrong
 style.

Design: https://cs.android.com/android/platform/superproject/main/+/main:frameworks/base/packages/SystemUI/res/layout/keyguard_status_bar.xml;l=79
Design: https://cs.android.com/android/platform/superproject/main/+/main:frameworks/base/packages/SystemUI/res/layout/status_bar_user_chip_container.xml;l=38
Bug: b/328588489
Test: manual, atest
Change-Id: I850b2c9b56920b5cd565c96670148ea453e02fb7