Merging ub-launcher3-master, build 5211209

Test: manual

Bug: 111698021
Bug: 111699315
Bug: 111850268
Bug: 111939693
Bug: 117532945
Bug: 118118435
Bug: 118846684
Bug: 119884907
Bug: 120255489
Bug: 120505990
Bug: 120638555
Bug: 120736782
Bug: 120901833
Bug: 120997004
Bug: 121044483
Bug: 121048571
Bug: 121362965
Bug: 121414492

Change-Id: I9f6552a84d981595c9a6105413cd04177725b16d