Remove hardcoded constants

The constants have been removed on ag/21521844 but partially reintroduced during a conflict resolution. They aren't required anymore and should be removed.

Test: atest SystemUITests:NoteTaskControllerTest

Fixes: b/254604589
Fixes: b/265912743
Change-Id: Ie222c06d7210940f79d75a0ec81aa60904bfdd15