OmniGears: FR translation

Change-Id: I04cc5ba461c824ab219f6b966bf16c07e1741f2d
diff --git a/res/values-fr/custom_strings.xml b/res/values-fr/custom_strings.xml
index 9505281..1c8d2eb 100644
--- a/res/values-fr/custom_strings.xml
+++ b/res/values-fr/custom_strings.xml
@@ -484,4 +484,6 @@
     <string name="swap_volume_advanced_settings_close">Fermer</string>
     <string name="swap_volume_disabled_90_title">Désactivé à 90 degrés</string>
     <string name="swap_volume_disabled_270_title">Désactivé à 270 degrés</string>
+    <string name="category_immersive_mode_title">Mode immersif</string>
+    <string name="lockscreen_immersive_mode_title">Désactiver le mode immersif</string>
 </resources>