Add motion event observing feature.

Bug: 297595990

Test: atest AccessibilityEndToEndTest
Change-Id: Ic6fbcdb00ea18f2a5ee2796462eed4ea3cce0e7b
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 650319f..ad9ea22 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -873,6 +873,9 @@
 
     <uses-permission android:name="android.permission.GET_BINDING_UID_IMPORTANCE" />
 
+    <!-- Permissions required for CTS test - CtsAccessibilityServiceTestCases-->
+    <uses-permission android:name="android.permission.ACCESSIBILITY_MOTION_EVENT_OBSERVING" />
+
     <application
         android:label="@string/app_label"
         android:theme="@android:style/Theme.DeviceDefault.DayNight"