Deprecate silky flag for official release

- Turn on the collapsing toolbar by default.
- Remove the silky flag from All apps page.
- Ignore tests of ChooseLockGenericTest and trace it on b/179136903.
- Remove silky flag.

Fixes: 183670633
Bug: 179136903
Test: robotests & visual
Change-Id: Iee2a9e7ccaebd1624f995af4fd45446142e5f500

src/com/android/settings/applications/manageapplications/ManageApplications.java

@@ -55,7 +55,6 @@ import android.os.UserManager;
 import android.preference.PreferenceFrameLayout;
 import android.text.TextUtils;
 import android.util.ArraySet;
-import android.util.FeatureFlagUtils;
 import android.util.IconDrawableFactory;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -112,7 +111,6 @@ import com.android.settings.applications.appinfo.ExternalSourcesDetails;
 import com.android.settings.applications.appinfo.ManageExternalStorageDetails;
 import com.android.settings.applications.appinfo.MediaManagementAppsDetails;
 import com.android.settings.applications.appinfo.WriteSettingsDetails;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.dashboard.profileselector.ProfileSelectFragment;
@@ -396,11 +394,7 @@ public class ManageApplications extends InstrumentedFragment
             return mRootView;
         }
 
-        if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.SILKY_HOME)) {
-            mRootView = inflater.inflate(R.layout.manage_applications_apps_v2, null);
-        } else {
-            mRootView = inflater.inflate(R.layout.manage_applications_apps, null);
-        }
+        mRootView = inflater.inflate(R.layout.manage_applications_apps, null);
         mLoadingContainer = mRootView.findViewById(R.id.loading_container);
         mListContainer = mRootView.findViewById(R.id.list_container);
         if (mListContainer != null) {