Fix assist gesture keyword

Bug: 63544783

Test: make -j RunSettingsRoboTests
Change-Id: Ief33fa9c556cc5a328401573459c7cbdd0053260
diff --git a/res/xml/assist_gesture_settings.xml b/res/xml/assist_gesture_settings.xml
index bdd799b..4455655 100644
--- a/res/xml/assist_gesture_settings.xml
+++ b/res/xml/assist_gesture_settings.xml
@@ -28,6 +28,6 @@
     <SwitchPreference
         android:key="gesture_assist"
         android:title="@string/assist_gesture_title"
-        app:keywords="@string/keywords_squeeze_to_launch_gesture"/>
+        app:keywords="@string/keywords_assist_gesture_launch"/>
 
 </PreferenceScreen>