Migrate to AGP KMP

build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt

@@ -17,14 +17,13 @@ import org.jetbrains.kotlin.gradle.dsl.KotlinAndroidExtension
 class AndroidApplicationConventionPlugin : Plugin<Project> {
     override fun apply(target: Project) = with(target) {
         apply(plugin = libs.plugins.android.application.get().pluginId)
-        apply(plugin = libs.plugins.android.builtInKotlin.get().pluginId)
         apply(plugin = libs.plugins.compose.compiler.get().pluginId)
         apply(plugin = libs.plugins.composeCompilerReportGenerator.get().pluginId)
 
         configure<KotlinAndroidExtension> {
             jvmToolchain(21)
             compilerOptions {
-                configureKotlin()
+                configureKotlin(includeKotlinX = true)
                 configureKotlinCompose()
                 jvmDefault = JvmDefaultMode.NO_COMPATIBILITY
             }

build-logic/convention/src/main/kotlin/MultiplatformLibraryConventionPlugin.kt

@@ -24,7 +24,7 @@ class MultiplatformLibraryConventionPlugin : Plugin<Project> {
         configure<KotlinMultiplatformExtension> {
             jvmToolchain(21)
             compilerOptions {
-                configureKotlin()
+                configureKotlin(includeKotlinX = path != ":core:i18n")
             }
 
             applyHierarchyTemplate {
@@ -44,10 +44,6 @@ class MultiplatformLibraryConventionPlugin : Plugin<Project> {
 
             configure<KotlinMultiplatformAndroidLibraryTarget> {
                 namespace = "com.ehviewer${path.replace(':', '.')}"
-
-                withHostTestBuilder {
-                }
-
                 enableCoreLibraryDesugaring = true
 
                 compilerOptions {

build-logic/convention/src/main/kotlin/com/ehviewer/Kotlin.kt

@@ -4,7 +4,7 @@ import org.gradle.kotlin.dsl.assign
 import org.jetbrains.kotlin.gradle.dsl.KotlinCommonCompilerOptions
 
 // https://kotlinlang.org/docs/gradle-compiler-options.html#all-compiler-options
-internal fun KotlinCommonCompilerOptions.configureKotlin() {
+internal fun KotlinCommonCompilerOptions.configureKotlin(includeKotlinX: Boolean) {
     progressiveMode = true
     allWarningsAsErrors = true
     optIn.addAll(
@@ -12,10 +12,14 @@ internal fun KotlinCommonCompilerOptions.configureKotlin() {
         "kotlin.concurrent.atomics.ExperimentalAtomicApi",
         "kotlin.contracts.ExperimentalContracts",
         "kotlin.time.ExperimentalTime",
-        "kotlinx.coroutines.ExperimentalCoroutinesApi",
-        "kotlinx.coroutines.FlowPreview",
-        "kotlinx.serialization.ExperimentalSerializationApi",
     )
+    if (includeKotlinX) {
+        optIn.addAll(
+            "kotlinx.coroutines.ExperimentalCoroutinesApi",
+            "kotlinx.coroutines.FlowPreview",
+            "kotlinx.serialization.ExperimentalSerializationApi",
+        )
+    }
     freeCompilerArgs.addAll(
         "-Xcontext-parameters",
         "-Xwhen-expressions=indy",