Restructure project directories to better fit Gradle

Closes gh-46358

build-plugin/spring-boot-antlib/build.gradle

@@ -32,12 +32,13 @@ configurations {
 
 dependencies {
 	antUnit "org.apache.ant:ant-antunit:1.3"
+
 	antIvy "org.apache.ivy:ivy:2.5.0"
 
-	compileOnly(project(":spring-boot-project:spring-boot-tools:spring-boot-loader"))
+	compileOnly(project(":loader:spring-boot-loader"))
 	compileOnly("org.apache.ant:ant:${antVersion}")
 
-	implementation(project(":spring-boot-project:spring-boot-tools:spring-boot-loader-tools"))
+	implementation(project(":loader:spring-boot-loader-tools"))
 	implementation("org.springframework:spring-core")
 }
 

build-plugin/spring-boot-gradle-plugin/build.gradle

@@ -37,16 +37,16 @@ configurations {
 }
 
 dependencies {
-	dockerTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-gradle-test-support"))
-	dockerTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support-docker"))
+	dockerTestImplementation(project(":test-support:spring-boot-gradle-test-support"))
+	dockerTestImplementation(project(":test-support:spring-boot-docker-test-support"))
 	dockerTestImplementation(gradleTestKit())
 	dockerTestImplementation("org.assertj:assertj-core")
 	dockerTestImplementation("org.junit.jupiter:junit-jupiter")
 	dockerTestImplementation("org.testcontainers:junit-jupiter")
 	dockerTestImplementation("org.testcontainers:testcontainers")
 
-	implementation(project(":spring-boot-project:spring-boot-tools:spring-boot-buildpack-platform"))
-	implementation(project(":spring-boot-project:spring-boot-tools:spring-boot-loader-tools"))
+	implementation(project(":buildpack:spring-boot-buildpack-platform"))
+	implementation(project(":loader:spring-boot-loader-tools"))
 	implementation("io.spring.gradle:dependency-management-plugin")
 	implementation("org.apache.commons:commons-compress")
 	implementation("org.springframework:spring-core")
@@ -57,8 +57,8 @@ dependencies {
 	}
 	optional("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
 
-	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-gradle-test-support"))
-	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
+	testImplementation(project(":test-support:spring-boot-gradle-test-support"))
+	testImplementation(project(":test-support:spring-boot-test-support"))
 	testImplementation("com.fasterxml.jackson.core:jackson-databind")
 	testImplementation("com.fasterxml.jackson.module:jackson-module-parameter-names")
 	testImplementation("com.tngtech.archunit:archunit-junit5:1.4.0")