Add setting and permission for assist gesture

Bug: 37427306

Test: manual
Merged-In: I659fa43fb085575df4d62e7765d88c6fd615fb7d
Change-Id: I659fa43fb085575df4d62e7765d88c6fd615fb7d
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index ae7355f..004ecfc 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1810,6 +1810,10 @@
     <permission android:name="android.permission.MANAGE_USERS"
         android:protectionLevel="signature|privileged" />
 
+    <!-- @hide Allows an application to configure the assist gesture -->
+    <permission android:name="android.permission.CONFIGURE_ASSIST_GESTURE"
+        android:protectionLevel="signature" />
+
     <!-- @hide Allows an application to create, remove users and get the list of
          users on the device. Applications holding this permission can only create restricted,
          guest, managed, demo, and ephemeral users. For creating other kind of users,