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
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index 211a13c..3a28991 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -196,6 +196,7 @@
     }
 
 
+    @PlatinumTest(focusArea = "launcher")
     @Test
     public void testOverviewActionsMenu() throws Exception {
         startTestAppsWithCheck();
diff --git a/tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java b/tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java
index 7d6b7f9..f9dadaa 100644
--- a/tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java
+++ b/tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java
@@ -17,11 +17,14 @@
 
 import static com.android.launcher3.ui.TaplTestsLauncher3.expectFail;
 import static com.android.launcher3.ui.TaplTestsLauncher3.initialize;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assume.assumeTrue;
 
+import android.platform.test.annotations.PlatinumTest;
+
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.tapl.AllApps;
 import com.android.launcher3.ui.AbstractLauncherUiTest;
@@ -88,6 +91,7 @@
     /**
      * Make sure the swipe up gesture can take us back to the workspace from AllApps
      */
+    @PlatinumTest(focusArea = "launcher")
     @Test
     @PortraitLandscape
     public void testAllAppsSwipeUpToWorkspace() {
diff --git a/tests/src/com/android/launcher3/appiconmenu/TaplAppIconMenuTest.java b/tests/src/com/android/launcher3/appiconmenu/TaplAppIconMenuTest.java
index 66c67f5..85cf52e 100644
--- a/tests/src/com/android/launcher3/appiconmenu/TaplAppIconMenuTest.java
+++ b/tests/src/com/android/launcher3/appiconmenu/TaplAppIconMenuTest.java
@@ -82,6 +82,7 @@
      * Drag icon from AllApps to the workspace and then open the AppIconMenu and launch a shortcut
      * from it.
      */
+    @PlatinumTest(focusArea = "launcher")
     @Test
     public void testLaunchHomeScreenMenuItem() {
         // Drag the test app icon to home screen and open short cut menu from the icon
diff --git a/tests/src/com/android/launcher3/ui/widget/AddWidgetTest.java b/tests/src/com/android/launcher3/ui/widget/AddWidgetTest.java
index 64ab206..fd4b7f1 100644
--- a/tests/src/com/android/launcher3/ui/widget/AddWidgetTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/AddWidgetTest.java
@@ -15,7 +15,6 @@
  */
 package com.android.launcher3.ui.widget;
 
-import static com.android.launcher3.ui.TaplTestsLauncher3.getAppPackageName;
 import static org.junit.Assert.assertNotNull;
 
 import android.platform.test.annotations.PlatinumTest;
@@ -99,6 +98,7 @@
     /**
      * Test dragging a widget to the workspace and resize it.
      */
+    @PlatinumTest(focusArea = "launcher")
     @Test
     public void testResizeWidget() throws Throwable {
         new FavoriteItemsTransaction(mTargetContext).commitAndLoadHome(mLauncher);