Moving Plugin and feature flags UI to androidX

> Combining both preference into a single screen
> Adding plugin preference screen so quickstep build

Change-Id: I3d2ff3ebdac3c774659e79ecb81be6f75f765eb0

quickstep/src/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java

@@ -14,31 +14,37 @@
 
 package com.android.launcher3.uioverrides.plugins;
 
+import android.content.ComponentName;
 import android.content.Context;
 
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.systemui.plugins.Plugin;
 import com.android.systemui.plugins.PluginListener;
-import com.android.systemui.shared.plugins.PluginEnabler;
-import com.android.systemui.shared.plugins.PluginInitializer;
 import com.android.systemui.shared.plugins.PluginManager;
 import com.android.systemui.shared.plugins.PluginManagerImpl;
+import com.android.systemui.shared.plugins.PluginPrefs;
+
+import java.util.Set;
 
 public class PluginManagerWrapper {
 
     public static final MainThreadInitializedObject<PluginManagerWrapper> INSTANCE =
             new MainThreadInitializedObject<>(PluginManagerWrapper::new);
 
+    public static final String PLUGIN_CHANGED = PluginManager.PLUGIN_CHANGED;
+
+    private final Context mContext;
     private final PluginManager mPluginManager;
-    private final PluginEnabler mPluginEnabler;
+    private final PluginEnablerImpl mPluginEnabler;
 
     private PluginManagerWrapper(Context c) {
-        PluginInitializer pluginInitializer  = new PluginInitializerImpl();
+        mContext = c;
+        PluginInitializerImpl pluginInitializer  = new PluginInitializerImpl();
         mPluginManager = new PluginManagerImpl(c, pluginInitializer);
         mPluginEnabler = pluginInitializer.getPluginEnabler(c);
     }
 
-    PluginEnabler getPluginEnabler() {
+    public PluginEnablerImpl getPluginEnabler() {
         return mPluginEnabler;
     }
 
@@ -54,4 +60,19 @@ public class PluginManagerWrapper {
     public void removePluginListener(PluginListener<? extends Plugin> listener) {
         mPluginManager.removePluginListener(listener);
     }
+
+    public Set<String> getPluginActions() {
+        return new PluginPrefs(mContext).getPluginList();
+    }
+
+    /**
+     * Returns the string key used to store plugin enabled/disabled setting
+     */
+    public static String pluginEnabledKey(ComponentName cn) {
+        return PluginEnablerImpl.pluginEnabledKey(cn);
+    }
+
+    public static boolean hasPlugins(Context context) {
+        return PluginPrefs.hasPlugins(context);
+    }
 }