Update title strings for Dialer settings

Bug: 138143806
Test: Manually
Change-Id: I20b2b1a2cba43746d5b51583828cec6e9b9f6e6b
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 15b0698..ab5c3b7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -149,11 +149,11 @@
     <!-- Title of the settings page [CHAR LIMIT=30]-->
     <string name="setting_title">Settings</string>
     <!-- Title of the settings to change the start page [CHAR LIMIT=40]-->
-    <string name="pref_start_page_title">Set start page</string>
+    <string name="pref_start_page_title">Start screen</string>
     <string name="pref_start_page_key" translatable="false">set_start_page</string>
 
     <!-- Title of the settings to sort contact order [CHAR LIMIT=40]-->
-    <string name="sort_order_title">Contact Order</string>
+    <string name="sort_order_title">Contact order</string>
     <string name="sort_order_key" translatable="false">contact_order</string>
     <!-- Title of the settings for sorting Contacts in different orders -->
     <!-- Title of given name [CHAR LIMIT=40]-->