chore(snippets): Add region tag for dependency management. (#898)

Change-Id: Ifb9ceb61c73d4a000b25de720e5adacbd525038a

snippets/app/build.gradle

@@ -54,7 +54,7 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.6.10'
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation "androidx.compose.foundation:foundation:1.2.0-alpha05"

snippets/build.gradle

@@ -1,30 +1,7 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-// [START maps_android_secrets_gradle_plugin_classpath]
-buildscript {
-    // [START_EXCLUDE silent]
-    ext.kotlin_version = "1.6.10"
-    repositories {
-        google()
-        mavenCentral()
-    }
-    // [END_EXCLUDE]
-    dependencies {
-        // [START_EXCLUDE]
-        classpath "com.android.tools.build:gradle:7.1.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-        // [END_EXCLUDE]
-        classpath "com.google.android.libraries.mapsplatform.secrets-gradle-plugin:secrets-gradle-plugin:2.0.1"
-    }
-}
-// [END maps_android_secrets_gradle_plugin_classpath]
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
+plugins {
+    id 'com.android.application' version '7.1.2' apply false
+    id 'com.google.android.libraries.mapsplatform.secrets-gradle-plugin' version '2.0.1' apply false
+    id 'org.jetbrains.kotlin.android' version '1.6.10' apply false
 }
 
 task clean(type: Delete) {

snippets/settings.gradle

@@ -1,2 +1,20 @@
+// [START maps_android_settings_plugin_management]
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+// [END maps_android_settings_plugin_management]
+// [START maps_android_settings_dependency_resolution_management]
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+// [END maps_android_settings_dependency_resolution_management]
 include ':app'
-rootProject.name = "Snippets App"
+rootProject.name = "Snippets App"