Add tests for play promise icons.

Bug: 139021165
Change-Id: I45469b7523d8aea12c34d460c7b69c571a415675
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index ea58687..e6ab70e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -158,6 +158,9 @@
 import java.util.List;
 import java.util.function.Predicate;
 
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+
 /**
  * Default launcher application.
  */
@@ -209,10 +212,9 @@
     private static final int ON_ACTIVITY_RESULT_ANIMATION_DELAY = 500;
 
     // How long to wait before the new-shortcut animation automatically pans the workspace
-    private static final int NEW_APPS_PAGE_MOVE_DELAY = 500;
+    @VisibleForTesting public static final int NEW_APPS_PAGE_MOVE_DELAY = 500;
     private static final int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 5;
-    @Thunk
-    static final int NEW_APPS_ANIMATION_DELAY = 500;
+    @Thunk @VisibleForTesting public static final int NEW_APPS_ANIMATION_DELAY = 500;
 
     private static final int APPS_VIEW_ALPHA_CHANNEL_INDEX = 1;
     private static final int SCRIM_VIEW_ALPHA_CHANNEL_INDEX = 0;