[Provider Model] Correct Wi-Fi toggle title color in Dark Theme

- Update title color when device is locked in Dark Theme

Bug: 196513308
Test: manual test
atest -c InternetDialogTest

Change-Id: I24e86a75d4a72c837191277ed5258b81cd5aee00
Merged-In: I24e86a75d4a72c837191277ed5258b81cd5aee00
(cherry picked from commit 45de39e0b085c73abb1e47da83521de7aad5ef7d)
2 files changed