Disallow sliding key input

This feature is configurable by R.bool.config_sliding_key_input_enabled.

Bug: 3294076
Change-Id: I0225a6ce19d9b911c9d9543a106ab57ee0b7de75
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index d82960e..4187c31 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -26,6 +26,7 @@
     <bool name="config_enable_show_subtype_settings">true</bool>
     <bool name="config_enable_show_voice_key_option">true</bool>
     <bool name="config_candidate_highlight_font_color_enabled">true</bool>
+    <bool name="config_sliding_key_input_enabled">true</bool>
     <!-- Whether or not Popup on key press is enabled by default -->
     <bool name="config_default_popup_preview">true</bool>
     <integer name="config_delay_before_preview">0</integer>