Update the Emergency Info footer string.

This expands the description of the use of emergency contacts.

Bug: 63610561
Test: compiles
Change-Id: I9234a8d6cd630689999e063b7b83056db01c6e19
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9955f28..705a96d 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -212,7 +212,7 @@
     <!-- Message of dialog shown to clear all information and contacts [CHAR LIMIT=NONE] -->
     <string name="clear_all_message">Clear all information and contacts?</string>
     <!-- Information footer describing the use of emergency information. [CHAR LIMIT=NONE] -->
-    <string name="emergency_info_footer">Adding medical information and emergency contacts can help first responders in an emergency.\n\nAnyone can read this information from your lock screen without unlocking your phone.</string>
+    <string name="emergency_info_footer">Adding medical information and emergency contacts can help first responders in an emergency.\n\nAnyone can read this information from your lock screen, and dial your contacts by tapping their names, without unlocking your phone.</string>
     <!-- Title for a suggestion to a user to set up their emergency information [CHAR_LIMIT=60] -->
     <string name="settings_suggestion_title">Add emergency information</string>
     <!-- Explanatory text for a suggestion to a user to set up their emergency information [CHAR_LIMIT=NONE] -->