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

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

@@ -112,6 +112,7 @@ import com.android.settings.password.ChooseLockPassword;
 import com.android.settings.password.ChooseLockPattern;
 import com.android.settings.print.PrintJobSettingsFragment;
 import com.android.settings.print.PrintSettingsFragment;
+import com.android.settings.privacy.PrivacyDashboardFragment;
 import com.android.settings.security.CryptKeeperSettings;
 import com.android.settings.security.LockscreenDashboardFragment;
 import com.android.settings.security.SecuritySettings;
@@ -167,6 +168,7 @@ public class SettingsGateway {
             ProcessStatsUi.class.getName(),
             NotificationStation.class.getName(),
             LocationSettings.class.getName(),
+            PrivacyDashboardFragment.class.getName(),
             ScanningSettings.class.getName(),
             SecuritySettings.class.getName(),
             UsageAccessDetails.class.getName(),