Fix: Block opening any apps on keyguard without user auth

Test: atest KeyGestureEventTests
Bug: 378900798
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d615298466085c4a88c6733804160e0c1ee7e31e)
Merged-In: I89d43872108710d20e0c4ef7e652d389896155d7
Change-Id: I89d43872108710d20e0c4ef7e652d389896155d7
3 files changed