Delete init.gradle

Move the last bits of functionality to root build.gradle file and
AndroidXPlugin.

Test: ./gradlew tasks
Change-Id: I2c1010f929d861cedc776862e37e518678c0c6ca
diff --git a/build.gradle b/build.gradle
index 0a3add8..6d5d017 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,11 +24,9 @@
 "If you have already installed java 8, you can instruct Gradle to use it by setting the environment variable JAVA_HOME equal to its file path.")
 }
 
-
 buildscript {
     ext.supportRootFolder = project.projectDir
     apply from: 'buildSrc/repos.gradle'
-    apply from: 'buildSrc/init.gradle'
     apply from: 'buildSrc/build_dependencies.gradle'
     repos.addMavenRepositories(repositories)
     SdkHelperKt.setSdkInLocalPropertiesFile(ext.supportRootFolder)
@@ -40,11 +38,13 @@
     }
 }
 
-repos.addMavenRepositories(repositories)
+allprojects {
+    repos.addMavenRepositories(repositories)
+}
 
-init.setupRepoOutAndStartParam()
-
-init.configureSubProjects()
+apply from: "buildSrc/dependencies.gradle"
+apply from: "buildSrc/out.gradle"
+init.chooseOutDir()
 
 apply plugin: AndroidXPlugin