Introduce -Xcommon-sources and pass it correctly from build tool plugins

#KT-25196 In Progress

build-common/src/org/jetbrains/kotlin/incremental/buildUtil.kt

@@ -41,6 +41,7 @@ fun makeModuleFile(
         isTest: Boolean,
         outputDir: File,
         sourcesToCompile: Iterable<File>,
+        commonSources: Iterable<File>,
         javaSourceRoots: Iterable<JvmSourceRoot>,
         classpath: Iterable<File>,
         friendDirs: Iterable<File>
@@ -55,6 +56,7 @@ fun makeModuleFile(
             sourcesToCompile.map { it.absoluteFile },
             javaSourceRoots,
             classpath,
+            commonSources.map { it.absoluteFile },
             null,
             "java-production",
             isTest,

build-common/src/org/jetbrains/kotlin/modules/KotlinModuleXmlBuilder.kt

@@ -34,16 +34,18 @@ class KotlinModuleXmlBuilder {
     }
 
     fun addModule(
-            moduleName: String,
-            outputDir: String,
-            sourceFiles: Iterable<File>,
-            javaSourceRoots: Iterable<JvmSourceRoot>,
-            classpathRoots: Iterable<File>,
-            modularJdkRoot: File?,
-            targetTypeId: String,
-            isTests: Boolean,
-            directoriesToFilterOut: Set<File>,
-            friendDirs: Iterable<File>): KotlinModuleXmlBuilder {
+        moduleName: String,
+        outputDir: String,
+        sourceFiles: Iterable<File>,
+        javaSourceRoots: Iterable<JvmSourceRoot>,
+        classpathRoots: Iterable<File>,
+        commonSourceFiles: Iterable<File>,
+        modularJdkRoot: File?,
+        targetTypeId: String,
+        isTests: Boolean,
+        directoriesToFilterOut: Set<File>,
+        friendDirs: Iterable<File>
+    ): KotlinModuleXmlBuilder {
         assert(!done) { "Already done" }
 
         p.println("<!-- Module script for ${if (isTests) "tests" else "production"} -->")
@@ -62,6 +64,10 @@ class KotlinModuleXmlBuilder {
             p.println("<", SOURCES, " ", PATH, "=\"", getEscapedPath(sourceFile), "\"/>")
         }
 
+        for (commonSourceFile in commonSourceFiles) {
+            p.println("<", COMMON_SOURCES, " ", PATH, "=\"", getEscapedPath(commonSourceFile), "\"/>")
+        }
+
         processJavaSourceRoots(javaSourceRoots)
         processClasspath(classpathRoots, directoriesToFilterOut)