Cleanup hsum_unlock_notification_fix

Flag was rolled out in Android V

Bug: 335663055
Test: TH
Flag: EXEMPT flag cleanup
Change-Id: I63b22423427cb98ea2a5a1f96b246ef328be5e63
Merged-In: I63b22423427cb98ea2a5a1f96b246ef328be5e63
2 files changed