Remove duplicated index search data

Bug: 143055215
Test: manual & robotest
Change-Id: I82583efe37c44014b8949a40d7a695461a7382a9
diff --git a/res/xml/gestures.xml b/res/xml/gestures.xml
index 5ac27e0..a523ec6 100644
--- a/res/xml/gestures.xml
+++ b/res/xml/gestures.xml
@@ -30,18 +30,21 @@
         android:key="gesture_swipe_down_fingerprint_input_summary"
         android:title="@string/fingerprint_swipe_for_notifications_title"
         android:fragment="com.android.settings.gestures.SwipeToNotificationSettings"
+        settings:searchable="false"
         settings:controller="com.android.settings.gestures.SwipeToNotificationPreferenceController" />
 
     <Preference
         android:key="gesture_double_tap_power_input_summary"
         android:title="@string/double_tap_power_for_camera_title"
         android:fragment="com.android.settings.gestures.DoubleTapPowerSettings"
+        settings:searchable="false"
         settings:controller="com.android.settings.gestures.DoubleTapPowerPreferenceController" />
 
     <Preference
         android:key="gesture_double_twist_input_summary"
         android:title="@string/double_twist_for_camera_mode_title"
         android:fragment="com.android.settings.gestures.DoubleTwistGestureSettings"
+        settings:searchable="false"
         settings:controller="com.android.settings.gestures.DoubleTwistPreferenceController" />
 
     <Preference
@@ -54,18 +57,21 @@
         android:key="gesture_tap_screen_input_summary"
         android:title="@string/ambient_display_tap_screen_title"
         android:fragment="com.android.settings.gestures.TapScreenGestureSettings"
+        settings:searchable="false"
         settings:controller="com.android.settings.gestures.TapScreenGesturePreferenceController" />
 
     <Preference
         android:key="gesture_double_tap_screen_input_summary"
         android:title="@string/ambient_display_title"
         android:fragment="com.android.settings.gestures.DoubleTapScreenSettings"
+        settings:searchable="false"
         settings:controller="com.android.settings.gestures.DoubleTapScreenPreferenceController" />
 
     <Preference
         android:key="gesture_pick_up_input_summary"
         android:title="@string/ambient_display_pickup_title"
         android:fragment="com.android.settings.gestures.PickupGestureSettings"
+        settings:searchable="false"
         settings:controller="com.android.settings.gestures.PickupGesturePreferenceController" />
 
     <Preference