Create a new top level Privacy entry

This CL focuses on building up Privacy entry in
Settings homepage.

And also reuse some preferences in here.
-App permission
-Show password

Test: robotest, visual
Change-Id: I724ba4b4845fac933df0fca23a4e1c6afeb73362
Fixes: 116628158
diff --git a/src/com/android/settings/dashboard/DashboardFragmentRegistry.java b/src/com/android/settings/dashboard/DashboardFragmentRegistry.java
index 4c371dd..8b5d521 100644
--- a/src/com/android/settings/dashboard/DashboardFragmentRegistry.java
+++ b/src/com/android/settings/dashboard/DashboardFragmentRegistry.java
@@ -36,6 +36,7 @@
 import com.android.settings.notification.ConfigureNotificationSettings;
 import com.android.settings.notification.SoundSettings;
 import com.android.settings.notification.ZenModeSettings;
+import com.android.settings.privacy.PrivacyDashboardFragment;
 import com.android.settings.security.LockscreenDashboardFragment;
 import com.android.settings.security.SecuritySettings;
 import com.android.settings.system.SystemDashboardFragment;
@@ -104,6 +105,8 @@
                 CategoryKey.CATEGORY_GESTURES);
         PARENT_TO_CATEGORY_KEY_MAP.put(NightDisplaySettings.class.getName(),
                 CategoryKey.CATEGORY_NIGHT_DISPLAY);
+        PARENT_TO_CATEGORY_KEY_MAP.put(PrivacyDashboardFragment.class.getName(),
+                CategoryKey.CATEGORY_PRIVACY);
 
         CATEGORY_KEY_TO_PARENT_MAP = new ArrayMap<>(PARENT_TO_CATEGORY_KEY_MAP.size());