Fix classId for detecting protobuf enums

The classId implied `Internal` as a package whereas it is a class instead. The test that verified that was using incorrect instance of `EnumLite` which caused compiler to behave weirdly instead of failing with missing class.

Fixes: 195200551
Test: Compiler tests

Author: ShikaSD

plugins/compose/compiler-hosted/integration-tests/build.gradle.kts

@@ -59,6 +59,9 @@ kotlin {
                 // Compose compiler deps
                 implementation(project(":plugins:compose-compiler-plugin:compiler-hosted"))
                 implementation(project(":plugins:compose-compiler-plugin:group-mapping"))
+
+                // protobuf dependencies for tests
+                implementation(libs.protobuf.java.lite)
                 implementation(project(":plugins:compose-compiler-plugin:compiler-hosted:integration-tests:protobuf-test-classes"))
 
                 // coroutines for runtime tests

plugins/compose/compiler-hosted/integration-tests/src/jvmTest/kotlin/androidx/compose/compiler/plugins/kotlin/LambdaMemoizationTransformTests.kt

@@ -21,7 +21,6 @@ import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.config.LanguageVersionSettingsImpl
 import org.jetbrains.kotlin.config.languageVersionSettings
-import org.jetbrains.kotlin.protobuf.Internal.EnumLite
 import org.junit.Test
 
 class LambdaMemoizationTransformTests(useFir: Boolean) : AbstractIrTransformTest(useFir) {
@@ -1066,7 +1065,7 @@ class LambdaMemoizationTransformTests(useFir: Boolean) : AbstractIrTransformTest
         """,
         additionalPaths = listOf(
             Classpath.jarFor<EnumTestProtos>(), // protobuf-test-classes
-            Classpath.jarFor<EnumLite>() // protobuf-lite
+            Classpath.jarFor<com.google.protobuf.Internal.EnumLite>() // protobuf-lite
         )
     )
 

plugins/compose/compiler-hosted/src/main/java/androidx/compose/compiler/plugins/kotlin/lower/AbstractComposeLowering.kt

@@ -51,7 +51,6 @@ import org.jetbrains.kotlin.ir.interpreter.hasAnnotation
 import org.jetbrains.kotlin.ir.symbols.*
 import org.jetbrains.kotlin.ir.symbols.impl.IrVariableSymbolImpl
 import org.jetbrains.kotlin.ir.types.*
-import org.jetbrains.kotlin.ir.types.classOrNull
 import org.jetbrains.kotlin.ir.types.impl.IrSimpleTypeImpl
 import org.jetbrains.kotlin.ir.types.impl.IrStarProjectionImpl
 import org.jetbrains.kotlin.ir.util.*
@@ -1319,7 +1318,7 @@ abstract class AbstractComposeLowering(
     private val irEnumOrdinal =
         context.irBuiltIns.enumClass.owner.properties.single { it.name.asString() == "ordinal" }.getter!!
 
-    private val protobufEnumClassId = ClassId.fromString("com/google/protobuf/Internal/EnumLite")
+    private val protobufEnumClassId = ClassId.fromString("com/google/protobuf/Internal.EnumLite")
 
     private fun IrExpression.ordinalIfEnum(): IrExpression {
         val cls = type.classOrNull?.owner