Create nullaway-bom project (#1130) (#1380)

Author: lpireyn

build.gradle

@@ -123,7 +123,7 @@ subprojects { project ->
 
     // Spotless complains when applied to the folders containing projects
     // when they do not have a build.gradle file
-    if (project.name != "jar-infer" && project.name != "library-model" && project.name != "jdk-annotations") {
+    if (project.name != "jar-infer" && project.name != "library-model" && project.name != "jdk-annotations" && project.name != "nullaway-bom") {
         project.apply plugin: "com.diffplug.spotless"
         spotless {
             java {

nullaway-bom/build.gradle

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017. Uber Technologies
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    id 'java-platform'
+    id 'com.vanniktech.maven.publish'
+}
+
+description = 'NullAway Bill of Materials (BOM)'
+
+dependencies {
+    constraints {
+        rootProject.subprojects { subproject ->
+            var path = subproject.path
+            if (path == ':nullaway'
+                    || path == ':annotations'
+                    || path.contains(':jar-infer-')
+                    || path.contains(':android-jarinfer-models-')) {
+                api(subproject)
+            }
+        }
+    }
+}

settings.gradle

@@ -13,6 +13,7 @@ plugins {
 
 include ':annotations'
 include ':nullaway'
+include ':nullaway-bom'
 include ':sample-library-model'
 include ':sample'
 include ':test-java-lib'