Add PRIVACY_SETTINGS intent to privacy, not backup, page.

Bug: 123878762
Test: updated backupSettingsHelper
Change-Id: I53632e4eeb5fa42447aa5fc075be69eeb68cdd52

src/com/android/settings/core/gateway/SettingsGateway.java

@@ -274,6 +274,7 @@ public class SettingsGateway {
             Settings.StorageDashboardActivity.class.getName(),
             Settings.PowerUsageSummaryActivity.class.getName(),
             Settings.AccountDashboardActivity.class.getName(),
+            Settings.PrivacySettingsActivity.class.getName(),
             Settings.SecurityDashboardActivity.class.getName(),
             Settings.AccessibilitySettingsActivity.class.getName(),
             Settings.SystemDashboardActivity.class.getName(),