Increase char limit for string.

Translation requested an increase in the char limit for this string;
there is plenty of room so increasing to 50.

Bug: 31814596
Change-Id: I07e1b51ad9335b961ce503233b13c008e9bcda2d
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 26d24bc..f42c9ed 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -3553,7 +3553,7 @@
     <!-- Button text for the edit menu in input method extract mode. [CHAR LIMIT=16] -->
     <string name="extract_edit_menu_button">Edit</string>
 
-    <!-- Notification title when data usage has exceeded warning threshold. [CHAR LIMIT=32] -->
+    <!-- Notification title when data usage has exceeded warning threshold. [CHAR LIMIT=50] -->
     <string name="data_usage_warning_title">Data usage alert</string>
     <!-- Notification body when data usage has exceeded warning threshold. [CHAR LIMIT=32] -->
     <string name="data_usage_warning_body">Tap to view usage and settings.</string>