Disallow using optional annotations outside common module sources

#KT-25196 Fixed

compiler/testData/codegen/box/multiplatform/optionalExpectation.kt

@@ -23,6 +23,8 @@ actual annotation class A(actual val x: Int)
 // MODULE: main(library)
 // FILE: main.kt
 
+@file:Suppress("OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE") // TODO: support common sources in the test infrastructure
+
 package usage
 
 import a.A

compiler/testData/codegen/box/multiplatform/optionalExpectationJvm.kt

@@ -9,6 +9,8 @@ expect annotation class Anno(val s: String)
 
 // FILE: jvm.kt
 
+@file:Suppress("OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE") // TODO: support common sources in the test infrastructure
+
 import java.lang.reflect.AnnotatedElement
 
 @Anno("Foo")