Increase CHAR LIMIT of some string resources

Bug: 6513954
Change-Id: If4aa1032bc7e615c77e3a64c6e8f8dbb0a020d8d
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index b9bec98..e1f0371 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -277,21 +277,21 @@
     <string name="custom_input_styles_title">Custom input styles</string>
     <!-- Title of the option menu to add a new style entry in the preference settings [CHAR LIMIT=16] -->
     <string name="add_style">Add style</string>
-    <!-- Title of the button to add custom style entry in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the button to add custom style entry in the settings dialog [CHAR LIMIT=15] -->
     <string name="add">Add</string>
-    <!-- Title of the button to remove a custom style entry in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the button to remove a custom style entry in the settings dialog [CHAR LIMIT=15] -->
     <string name="remove">Remove</string>
-    <!-- Title of the button to save a custom style entry in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the button to save a custom style entry in the settings dialog [CHAR LIMIT=15] -->
     <string name="save">Save</string>
-    <!-- Title of the spinner for choosing a language of custom style in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the spinner for choosing a language of custom style in the settings dialog [CHAR LIMIT=15] -->
     <string name="subtype_locale">Language</string>
-    <!-- Title of the spinner for choosing a keyboard layout of custom style in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the spinner for choosing a keyboard layout of custom style in the settings dialog [CHAR LIMIT=15] -->
     <string name="keyboard_layout_set">Layout</string>
     <!-- The message of the dialog to note that a custom input style needs to be enabled. [CHAR LIMIT=64] -->
     <string name="custom_input_style_note_message">"Your custom input style needs to be enabled before you start using it. Do you want to enable it now?"</string>
-    <!-- Title of the button to enable a custom input style entry in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the button to enable a custom input style entry in the settings dialog [CHAR LIMIT=15] -->
     <string name="enable">Enable</string>
-    <!-- Title of the button to postpone enabling a custom input style entry in the settings dialog [CHAR LIMIT=12] -->
+    <!-- Title of the button to postpone enabling a custom input style entry in the settings dialog [CHAR LIMIT=15] -->
     <string name="not_now">Not now</string>
     <!-- Toast text to describe the same input style already exists [CHAR LIMIT=64]-->
     <string name="custom_input_style_already_exists">"The same input style already exists: <xliff:g id="input_style_name">%s</xliff:g>"</string>