Hide "swipe up to unlock" when entering Doze

"Swipe up to unlock" should only be visible when the screen is
interactive, even though it would last for 5sec otherwise.

Test: manual
Test: atest KeyguardIndicationControllerTest
Fixes: 139400542
Change-Id: If7290459a3ae28f689cf4c9e2311398e5f6bcf13
Merged-In: If7290459a3ae28f689cf4c9e2311398e5f6bcf13