[Android] Adding content settings provider for notification channels

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 946c39323f984a210b4b21278f5d4974afd7e732..412d8878b634a6069a1a6dad86109475b473cd70 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -760,6 +760,8 @@ split_static_library("browser") {
     "notifications/notification.h",
     "notifications/notification_common.cc",
     "notifications/notification_common.h",
+    "notifications/notification_content_settings_provider_android.cc",
+    "notifications/notification_content_settings_provider_android.h",
     "notifications/notification_delegate.h",
     "notifications/notification_display_service.h",
     "notifications/notification_display_service_factory.cc",
@@ -4216,6 +4218,7 @@ if (is_android) {
       "../android/java/src/org/chromium/chrome/browser/net/spdyproxy/DataReductionProxySettings.java",
       "../android/java/src/org/chromium/chrome/browser/notifications/ActionInfo.java",
       "../android/java/src/org/chromium/chrome/browser/notifications/NotificationPlatformBridge.java",
+      "../android/java/src/org/chromium/chrome/browser/notifications/NotificationSettingsBridge.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/ContentSuggestionsNotificationHelper.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/ForeignSessionHelper.java",
       "../android/java/src/org/chromium/chrome/browser/ntp/LogoBridge.java",