Introduce timeout for "." shortcut

Bug: 3294239
Change-Id: I1832be8b54cd4d55cd504a3e1e0434aa284f9592
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index bf42589..bdb4409 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -60,6 +60,7 @@
     <integer name="config_long_press_key_timeout">400</integer>
     <integer name="config_long_press_shift_key_timeout">1200</integer>
     <integer name="config_touch_noise_threshold_millis">40</integer>
+    <integer name="config_double_spaces_turn_into_period_timeout">1100</integer>
     <dimen name="config_touch_noise_threshold_distance">2.0mm</dimen>
     <!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->
     <string name="config_default_keyboard_theme_id" translatable="false">4</string>