Settings database. Bug: 253395332 Test: make RunSettingsRoboTests Change-Id: Idbe6d71b69b28d344db146d139b4b60e2e7434da
Bug: 253395332 Test: make RunSettingsRoboTests + manually Change-Id: Ib6c2240cd065f6e29393e13b7231bba7afd2d850