scrolling in all apps did not factor in additional top padding in the all apps list recycler. This made it so that apps could occasionally scroll and be obcured by that top padding, making them un-tappable. Added this padding to the scrolling logic to make scrolling less flaky.
Test: TaplTestsTaskbar, TaplTestsLauncher3 and presubmit
Fixes: 248064856
Change-Id: Id76b92b4bc354917f3688ac53673d0ed7a905f02
Also moved references of "tasbkar_view" to share TASKBAR_RES_ID constant
Test: compiles; see follow up CLs
Bug: 235986838
Change-Id: I69bcfa975550e567f3daa35af8a810546297d79c
This will help SysUI test team (who uses TAPL) to set up Gradle build for their tests.
Bug: 202567877, 234414088
Test: presubmit
Change-Id: I3d923ea4b54d1a4c3d2b345be09692727d30433e