Add MemoryStateListenerAndroid

components/memory_coordinator/android/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/rules.gni")
 
-android_library("url_formatter_java") {
+_jni_sources = [ "java/src/org/chromium/components/memory_coordinator/MemoryStateListener.java" ]
+
+generate_jni("jni_headers") {
+  sources = _jni_sources
+  jni_package = "memory_coordinator"
+}
+
+android_library("memory_coordinator_java") {
+  java_files = _jni_sources
   deps = [
     "//base:base_java",
   ]
-
-  java_files = [
-    "java/src/org/chromium/components/url_formatter/UrlFormatter.java",
-  ]
 }
-
-generate_jni("jni_headers") {
-  sources = [
-    "java/src/org/chromium/components/url_formatter/UrlFormatter.java",
-  ]
-
-  jni_package = "url_formatter"
-}