Add locale recommendation metrics

Bug: 275306065
Test: atest SettingsRoboTests:com.android.settings.localepicker
Change-Id: I7263c292eee51475274585fe4c0864f82fabf7d2

src/com/android/settings/localepicker/AppLocalePickerActivity.java

@@ -176,6 +176,8 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
                                 localeInfo.getFullNameNative()),
                         getString(R.string.desc_system_locale_addition),
                         localeTag);
+                mMetricsFeatureProvider.action(this,
+                        SettingsEnums.ACTION_NOTIFICATION_FOR_SYSTEM_LOCALE);
             }
         } catch (PackageManager.NameNotFoundException e) {
             Log.e(TAG, "Unable to find info for package: " + mPackageName);