Magisk Update checker use prefs listener

app/src/main/java/com/topjohnwu/magisk/module/BaseModule.java

@@ -8,7 +8,7 @@ import java.util.List;
 public abstract class BaseModule {
 
     protected String mId, mName, mVersion, mAuthor, mDescription, mSupportUrl, mDonateUrl;
-    protected boolean mIsCacheModule = false;
+    protected boolean mIsCacheModule = false, mCanUpdate = false;
     protected int mVersionCode = 0;
 
     protected void parseProps(List<String> props) { parseProps(props.toArray(new String[props.size()])); }
@@ -97,4 +97,12 @@ public abstract class BaseModule {
     public String getSupportUrl() {
         return mSupportUrl;
     }
+
+    public void setUpdate() {
+        mCanUpdate = true;
+    }
+
+    public boolean canUpdate() {
+        return mCanUpdate;
+    }
 }