DO NOT MERGE add scrollupOnePage() and scrollDwonOnePage()

Test: locally
bug: 185533117
Change-Id: I632c251e8dd7698a968781062657f0a64235fa21
diff --git a/libraries/app-helpers/interfaces/auto/src/android/platform/helpers/IAutoAppGridHelper.java b/libraries/app-helpers/interfaces/auto/src/android/platform/helpers/IAutoAppGridHelper.java
index ad1dbce..4dea52d 100644
--- a/libraries/app-helpers/interfaces/auto/src/android/platform/helpers/IAutoAppGridHelper.java
+++ b/libraries/app-helpers/interfaces/auto/src/android/platform/helpers/IAutoAppGridHelper.java
@@ -39,4 +39,18 @@
      * @param appName: name of the application.
      */
     public void openApp(String appName);
+
+    /**
+     * Setup expectations: In App grid.
+     *
+     * <p>Scroll up on page.
+     */
+    boolean scrollUpOnePage();
+
+    /**
+     * Setup expectations: In App grid.
+     *
+     * <p>Scroll down on page.
+     */
+    boolean scrollDownOnePage();
 }