Add faster emergency dialer UI

If flag "faster_emergency_phone_call_enabled" is true, EmergencyDialer
will display emergency dialer shortcuts UI. Otherwise, EmergencyDialer
display original dialer UI.
Faster emergency dialer implement the part of user's Emergency
Infomation, and a button which is used to show dialpad.

Test: Manually
Bug: 80406570
Change-Id: I3637dab0059d6fa87417bb282163ebff04eae71d
Merged-In: I3637dab0059d6fa87417bb282163ebff04eae71d
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 8f192ae..60778c8 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1122,8 +1122,12 @@
     <!-- In-call screen: call failure message displayed in an error dialog when the user is connected to a wireless network, but wifi calling is turned off. [CHAR_LIMIT=NONE] -->
     <string name="incall_error_promote_wfc">Enable Wi-Fi calling to make a call.</string>
 
+    <!-- Title for the button of emergency information -->
+    <string name="emergency_information_title">Emergency information</string>
     <!-- Dialog title for the "radio enable" UI for emergency calls -->
     <string name="emergency_enable_radio_dialog_title">Emergency call</string>
+    <!-- Title for the emergency dialpad UI -->
+    <string name="emergency_dialpad_title">Emergency calls only</string>
     <!-- Status message for the "radio enable" UI for emergency calls -->
     <string name="emergency_enable_radio_dialog_message">Turning on radio\u2026</string>
     <!-- Status message for the "radio enable" UI for emergency calls -->
@@ -1367,6 +1371,13 @@
     -->
     <string name="description_dial_button">dial</string>
 
+    <!-- String describing the Dialpad ImageButton
+
+         Used by AccessibilityService to announce the purpose of the button.
+         [CHAR LIMIT=NONE]
+    -->
+    <string name="description_dialpad_button">show dialpad</string>
+
     <!-- Visual voicemail on/off title [CHAR LIMIT=40] -->
     <string name="voicemail_visual_voicemail_switch_title">Visual Voicemail</string>