Sunny Goyal 1eb1124d82 Removing back-button alpha animation code ...

Back button is only animation in 2-button UI which is not supported anymore

Bug: 246006580
Test: Presubmit
Change-Id: I7385b07272e44c1f9f0488c158e1b4ee67060120

2022-09-09 17:15:24 -07:00

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launcher3

Removing back-button alpha animation code

2022-09-09 17:15:24 -07:00