Improved the unlock animation when bypassing

Previously we were not using the subtle animtion
when going to a wallpaper, which resulted in a bigger
transition. Additionally are we now blocking the lock icon transitions
while we are unlocking with bypass.

Bug: 134952761
Test: atest SystemUITests
Change-Id: I9507bdbac018712cd880cbcc8dd6ee5a56172eae
7 files changed