Separate lock and home tab (2/2)

Separate the lock and home tab. This way, when swtiching tabs, we no
longer need to remove and create sections.
The major benefit is that there's no flash effect from removing/adding
sections.

Test: https://drive.google.com/file/d/1ZcOUVD5EXA0ZNIhY8mVsMmgBoakSpXwt/view?usp=sharing&resourcekey=0-qKSuCEB9G2gMRV4ltnncSA
Bug: 275724650
Change-Id: Icc5d85919005157cc27edfd7dda43d7436a274d2