Add new utility method for setting ImageTest workspace icon Component

Bug: 350758155
Test: ArchivedAppImageTest
Flag: TEST_ONLY
Change-Id: I3f88c64528abeab68d03ba81ebb8e34b5d0e5dad
diff --git a/tests/multivalentTests/src/com/android/launcher3/celllayout/board/TestWorkspaceBuilder.kt b/tests/multivalentTests/src/com/android/launcher3/celllayout/board/TestWorkspaceBuilder.kt
index 8952b85..2e556e8 100644
--- a/tests/multivalentTests/src/com/android/launcher3/celllayout/board/TestWorkspaceBuilder.kt
+++ b/tests/multivalentTests/src/com/android/launcher3/celllayout/board/TestWorkspaceBuilder.kt
@@ -80,6 +80,15 @@
             )
     }
 
+    /**
+     * Sets the test app for app icons to the specified Component
+     *
+     * @param testAppComponent ComponentName to use for app icons
+     */
+    fun setTestAppComponent(testAppComponent: ComponentName) {
+        appComponentName = testAppComponent
+    }
+
     private fun addCorrespondingWidgetRect(
         widgetRect: WidgetRect,
         transaction: FavoriteItemsTransaction,