Change wallpaper depth value in AllApps bottomsheet

- Cap AllApps wallpaper zoom to workspaceContentScale rather than all the way to max depth (config_wallpaperMaxScale)
- Changed both workspace scale and depth interpolator to correlate with AllApps threshold

Bug: 240580498
Test: manual
Change-Id: I0342a37c72206268dcffc5697a212704a41b020f
7 files changed