Add a new About Phone page.

This adds the "Me Card" page. The current functionality is to show
information based upon the first account added to the system. The page
shows the user's avatar, name, primary account, and phone number.

Bug: 63819909
Test: Robotest

Change-Id: I64bfae922e828994b2b87009d0647e67dab0da42

src/com/android/settings/SettingsActivity.java

@@ -873,6 +873,19 @@ public class SettingsActivity extends SettingsDrawerActivity
                 WifiDisplaySettings.isAvailable(this), isAdmin)
                 || somethingChanged;
 
+        // Enable/disable the Me Card page.
+        final boolean isMeCardEnabled = featureFactory
+                .getAccountFeatureProvider()
+                .isMeCardEnabled(this);
+        somethingChanged = setTileEnabled(new ComponentName(packageName,
+                        Settings.MeCardActivity.class.getName()),
+                isMeCardEnabled, isAdmin)
+                || somethingChanged;
+        somethingChanged = setTileEnabled(new ComponentName(packageName,
+                        Settings.DeviceInfoSettingsActivity.class.getName()),
+                !isMeCardEnabled, isAdmin)
+                || somethingChanged;
+
         if (UserHandle.MU_ENABLED && !isAdmin) {
 
             // When on restricted users, disable all extra categories (but only the settings ones).