Change permission card string in QuickContact

Bug: 32797779

Test: Manually tested the string change
Change-Id: I4314ee8b78e8938322d8a1685010dbec83adfced
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 3ad9d89..02b7896 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -949,7 +949,7 @@
 
     <!-- Content displayed in QuickContact activity after Contacts app receiving
          Calendar and SMS permissions [CHAR LIMIT=60] -->
-    <string name="permission_explanation_subheader_calendar_and_SMS">Events and Messages</string>
+    <string name="permission_explanation_subheader_calendar_and_SMS">Events and messages</string>
 
     <!-- Content displayed in QuickContact activity after Contacts app receiving
          Calendar permission [CHAR LIMIT=40] -->