[Android] Fixed feedback url in settings

android/brave_java_sources.gni

@@ -43,6 +43,7 @@ brave_java_sources = [
   "../../brave/android/java/org/chromium/chrome/browser/custom_layout/VerticalViewPager.java",
   "../../brave/android/java/org/chromium/chrome/browser/document/BraveLauncherActivity.java",
   "../../brave/android/java/org/chromium/chrome/browser/externalnav/BraveExternalNavigationHandler.java",
+  "../../brave/android/java/org/chromium/chrome/browser/feedback/BraveHelpAndFeedbackLauncherImpl.java",
   "../../brave/android/java/org/chromium/chrome/browser/help/BraveHelpAndFeedback.java",
   "../../brave/android/java/org/chromium/chrome/browser/homepage/BraveHomepageManager.java",
   "../../brave/android/java/org/chromium/chrome/browser/homepage/settings/BraveHomepageSettings.java",

android/java/org/chromium/chrome/browser/BraveAppHooks.java

@@ -5,6 +5,8 @@
 
 package org.chromium.chrome.browser;
 
+import org.chromium.chrome.browser.feedback.BraveHelpAndFeedbackLauncherImpl;
+import org.chromium.chrome.browser.feedback.HelpAndFeedbackLauncher;
 import org.chromium.chrome.browser.help.BraveHelpAndFeedback;
 import org.chromium.chrome.browser.help.HelpAndFeedback;
 import org.chromium.chrome.browser.partnerbookmarks.PartnerBookmark;
@@ -17,6 +19,11 @@ public HelpAndFeedback createHelpAndFeedback() {
         return new BraveHelpAndFeedback();
     }
 
+    @Override
+    public HelpAndFeedbackLauncher createHelpAndFeedbackLauncher() {
+        return new BraveHelpAndFeedbackLauncherImpl();
+    }
+
     @Override
     public PartnerBookmark.BookmarkIterator getPartnerBookmarkIterator() {
         return null;

android/java/org/chromium/chrome/browser/feedback/BraveHelpAndFeedbackLauncherImpl.java

@@ -0,0 +1,39 @@
+/* Copyright (c) 2020 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.chromium.chrome.browser.feedback;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.provider.Browser;
+
+import javax.annotation.Nonnull;
+
+public class BraveHelpAndFeedbackLauncherImpl extends HelpAndFeedbackLauncherImpl {
+    protected static final String FALLBACK_SUPPORT_URL = "https://community.brave.com/";
+
+    @Override
+    protected void show(
+            Activity activity, String helpContext, @Nonnull FeedbackCollector collector) {
+        launchFallbackSupportUri(activity);
+    }
+
+    @Override
+    protected void showFeedback(Activity activity, @Nonnull FeedbackCollector collector) {
+        launchFallbackSupportUri(activity);
+    }
+
+    protected static void launchFallbackSupportUri(Context context) {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(FALLBACK_SUPPORT_URL));
+        // Let Chrome know that this intent is from Chrome, so that it does not close the app when
+        // the user presses 'back' button.
+        intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
+        intent.putExtra(Browser.EXTRA_CREATE_NEW_TAB, true);
+        intent.setPackage(context.getPackageName());
+        context.startActivity(intent);
+    }
+}