Remove setAnimateScreenOff, which is removed in ag/16492188.

Test: atest SystemUITests
Bug: 203644049
Merged-In: I0a36cb147bbd4a1e8068b8e7eb565f66509f0d2c
Change-Id: I0a36cb147bbd4a1e8068b8e7eb565f66509f0d2c
1 file changed