This is a clean revert of ag/33239841. The Failing test was fixed.
There are no diffs in this CL with the originally submitted ag/33001498.
The setting is available under:
Settings > Notifications > Notifications & Quick Settings.
Bug: 410541004
Bug: 409228328
Bug: 413460097
Test: Added unit tests.
Test: Tested manually by opening the setting in the Settings app,
changing the setting, and observing that the dual shade was correctly
enabled and disabled.
Test: atest CarDeveloperOptionsUnitTests
Flag: com.android.systemui.scene_container
Change-Id: I8f76fd57ec9135f0bb5674081ee58df488c70102
Danny Burakov
e2878bd0fc