merge in nyc-release history after reset to nyc-dev
diff --git a/src/com/android/dialer/settings/DialerSettingsActivity.java b/src/com/android/dialer/settings/DialerSettingsActivity.java
index 9db3e05..fbdb4f9 100644
--- a/src/com/android/dialer/settings/DialerSettingsActivity.java
+++ b/src/com/android/dialer/settings/DialerSettingsActivity.java
@@ -22,6 +22,7 @@
 import android.os.UserManager;
 import android.preference.PreferenceManager;
 import android.provider.Settings;
+import android.support.v4.os.BuildCompat;
 import android.telecom.TelecomManager;
 import android.telephony.TelephonyManager;
 import android.view.MenuItem;
@@ -97,7 +98,7 @@
             callSettingsHeader.titleRes = R.string.call_settings_label;
             callSettingsHeader.intent = callSettingsIntent;
             target.add(callSettingsHeader);
-        } else if (android.os.Build.VERSION.CODENAME.startsWith("N") || isPrimaryUser) {
+        } else if (BuildCompat.isAtLeastN() || isPrimaryUser) {
             Header phoneAccountSettingsHeader = new Header();
             Intent phoneAccountSettingsIntent =
                     new Intent(TelecomManager.ACTION_CHANGE_PHONE_ACCOUNTS);