Mark existing Launcher CUJs as Platinum tests.

Exclusion CL: cl/565329636 & cl/569615823

Acceptance Criteria:
- TaplTestsQuickstep#testOverviewActionsMenu: https://android-build.corp.google.com/test_investigate/?invocationId=I68300010197543619&testResultId=TR13128935381586398&tab=performance
- OopTaplOpenCloseAllApps#testAllAppsSwipeUpToWorkspace: https://android-build.corp.google.com/test_investigate/?invocationId=I29900010197342608&testResultId=TR26328933842394642&tab=performance
- AddWidgetTest#testResizeWidget: https://android-build.corp.google.com/test_investigate/?invocationId=I56600010197561454&testResultId=TR14428935383013115&tab=performance
- TaplTestsLauncher3#testLaunchHomeScreenMenuItem: https://android-build.corp.google.com/test_investigate/?invocationId=I56600010197561454&testResultId=TR20028935383489058&tab=performance

Bug: 300249773
Test: TaplTestsLauncher3
Test: OopTaplOpenCloseAllApps
Test: AddWidgetTest
Test: TaplTestsQuickstep
Change-Id: Ica71dbad91efe8f5b4fd243f0ec78fc3c3c4d456