settings page
Add static version minimalism illustrations to the lock screen
notifications settings page. We still need to replace the icons.
In the final version, illustrations will combine the light and dark
versions into a single file. The current status is a middle stage
stands for team fooding. The final version illustrations will also be
animations instead of static.
Bug: 367455695
Bug: 383778222
Flag: com.android.server.notification.notification_lock_screen_settings
Test: manual
Change-Id: I63c0452de60ce1aa94c7b414cb6e81dd98c5f361
466e16bfc9