Revert "Merging from ub-launcher3-master @ build 6294827"

Revert "Merging from ub-launcher3-master @ build 6294827"

Revert submission 10673936-merge_ub-launcher3-master_6294827

Reason for revert: b/151611270
Reverted Changes:
I38a587a1b:Merging from ub-launcher3-master @ build 6294827
I74ae8bea8:Merging from ub-launcher3-master @ build 6294827
I115742e03:Merging from ub-launcher3-master @ build 6294827
Iceb1e8523:Merging from ub-launcher3-master @ build 6294827
Ie242e3907:Merging from ub-launcher3-master @ build 6294827
I609b18fdd:Merging from ub-launcher3-master @ build 6294827

Change-Id: I67e017bd01a39939bff7c45a634b8fefa2533cba