use maven-publish plugin (facebook#31611)

Summary:
Gradle has been showing below warning for a while, and this PR fixes the warning using maven-publish plugin, thus taking us one step closer to Gradle 7.x.

> The maven plugin has been deprecated. This is scheduled to be removed in Gradle 7.0. Please use the maven-publish plugin instead. Consult the upgrading guide for further information: https://docs.gradle.org/6.9/userguide/upgrading_version_5.html#legacy_publication_system_is_deprecated_and_replaced_with_the_publish_plugins

Configured maven-publish plugin according to https://developer.android.com/studio/build/maven-publish-plugin, also added **installArchives** task for backwards compatibility.

## Changelog

[Internal] [Changed] - use maven-publish plugin to build and publish Android artifact

Pull Request resolved: facebook#31611

Test Plan: ./gradlew :ReactAndroid:installArchives will create **android** directory for local maven repository with **react-native** package.

Reviewed By: yungsters

Differential Revision: D28802435

Pulled By: ShikaSD

fbshipit-source-id: 7bc7650a700e1a61213c5ec238bcb24fdca954db

Author: dulmandakh

ReactAndroid/build.gradle

@@ -8,7 +8,7 @@
 plugins {
     id("com.android.library")
     id("com.facebook.react.codegen")
-    id("maven")
+    id("maven-publish")
     id("de.undercouch.download")
 }
 
@@ -18,6 +18,7 @@ import de.undercouch.gradle.tasks.download.Download
 import org.apache.tools.ant.taskdefs.condition.Os
 import org.apache.tools.ant.filters.ReplaceTokens
 
+def AAR_OUTPUT_URL = "file://${projectDir}/../android"
 // We download various C++ open-source dependencies into downloads.
 // We then copy both the downloaded code and our custom makefiles and headers into third-party-ndk.
 // After that we build native code from src/main/jni with module path pointing at third-party-ndk.
@@ -425,6 +426,10 @@ task extractJNIFiles {
     }
 }
 
+task installArchives {
+    dependsOn("publishReleasePublicationToNpmRepository")
+}
+
 android {
     compileSdkVersion 30
     ndkVersion ANDROID_NDK_VERSION
@@ -516,8 +521,6 @@ dependencies {
     androidTestImplementation("org.mockito:mockito-core:${MOCKITO_CORE_VERSION}")
 }
 
-apply(from: "release.gradle")
-
 react {
     // TODO: The library name is chosen for parity with Fabric components & iOS
     // This should be changed to a more generic name, e.g. `ReactCoreSpec`.
@@ -526,3 +529,53 @@ react {
     reactNativeRootDir = file("$projectDir/..")
     useJavaGenerator = System.getenv("USE_CODEGEN_JAVAPOET") ?: false
 }
+
+afterEvaluate {
+    publishing {
+        publications {
+            release(MavenPublication) {
+                // Applies the component for the release build variant.
+                from components.release
+
+                // You can then customize attributes of the publication as shown below.
+                artifactId = POM_ARTIFACT_ID
+                groupId = GROUP
+                version = VERSION_NAME
+
+                pom {
+                    name = POM_NAME
+                    description = "A framework for building native apps with React"
+                    url = "https://github.com/facebook/react-native"
+
+                    developers {
+                        developer {
+                            id = "facebook"
+                            name = "Facebook"
+                        }
+                    }
+
+                    licenses {
+                        license {
+                            name = "MIT License"
+                            url = "https://github.com/facebook/react-native/blob/master/LICENSE"
+                            distribution = "repo"
+                        }
+                    }
+
+                    scm {
+                        url = "https://github.com/facebook/react-native.git"
+                        connection = "scm:git:https://github.com/facebook/react-native.git"
+                        developerConnection = "scm:git:[email protected]:facebook/react-native.git"
+                    }
+                }
+            }
+        }
+
+        repositories {
+            maven {
+                name = "npm"
+                url = AAR_OUTPUT_URL
+            }
+        }
+    }
+}