Get rid of 'previous-compilation-data.bin' in META-INF (#3675)

* Include only module-info.class from the corresponding JavaCompile task

Fixes #3668

buildSrc/src/main/kotlin/Java9Modularity.kt

@@ -143,6 +143,8 @@ object Java9Modularity {
                 attributes("Multi-Release" to true)
             }
             from(compileJavaModuleInfo) {
+                // Include **only** file we are interested in as JavaCompile output also contains some tmp files
+                include("module-info.class")
                 into("META-INF/versions/9/")
             }
         }

integration-testing/src/mavenTest/kotlin/MavenPublicationMetaInfValidator.kt

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.coroutines.validator
+
+import org.junit.Test
+import org.objectweb.asm.*
+import org.objectweb.asm.ClassReader.*
+import org.objectweb.asm.ClassWriter.*
+import org.objectweb.asm.Opcodes.*
+import java.util.jar.*
+import kotlin.test.*
+
+class MavenPublicationMetaInfValidator {
+
+    @Test
+    fun testMetaInfCoreStructure() {
+        val clazz = Class.forName("kotlinx.coroutines.Job")
+        JarFile(clazz.protectionDomain.codeSource.location.file).checkMetaInfStructure(
+            setOf(
+                "MANIFEST.MF",
+                "kotlinx-coroutines-core.kotlin_module",
+                "com.android.tools/proguard/coroutines.pro",
+                "com.android.tools/r8/coroutines.pro",
+                "proguard/coroutines.pro",
+                "versions/9/module-info.class",
+                "kotlinx_coroutines_core.version"
+            )
+        )
+    }
+
+    @Test
+    fun testMetaInfAndroidStructure() {
+        val clazz = Class.forName("kotlinx.coroutines.android.HandlerDispatcher")
+        JarFile(clazz.protectionDomain.codeSource.location.file).checkMetaInfStructure(
+            setOf(
+                "MANIFEST.MF",
+                "kotlinx-coroutines-android.kotlin_module",
+                "services/kotlinx.coroutines.CoroutineExceptionHandler",
+                "services/kotlinx.coroutines.internal.MainDispatcherFactory",
+                "com.android.tools/r8-from-1.6.0/coroutines.pro",
+                "com.android.tools/r8-upto-3.0.0/coroutines.pro",
+                "com.android.tools/proguard/coroutines.pro",
+                "proguard/coroutines.pro",
+                "versions/9/module-info.class",
+                "kotlinx_coroutines_android.version"
+            )
+        )
+    }
+
+    private fun JarFile.checkMetaInfStructure(expected: Set<String>) {
+        val actual = HashSet<String>()
+        for (e in entries()) {
+            if (e.isDirectory() || !e.realName.contains("META-INF")) {
+                continue
+            }
+            val partialName = e.realName.substringAfter("META-INF/")
+            actual.add(partialName)
+        }
+
+        if (actual != expected) {
+            val intersection = actual.intersect(expected)
+            val mismatch = actual.subtract(intersection) + expected.subtract(intersection)
+            fail("Mismatched files: " + mismatch)
+        }
+
+        close()
+    }
+}