Save annotations of lambda on SAM's method

Also add tests checking that annotations on 'invoke' methods of common lambdas are saved properly

 #KT-6932 Fixed

compiler/testData/codegen/boxWithJava/annotatedSamFunExpression/annotatedSamFunExpression.kt

@@ -0,0 +1,29 @@
+import java.lang.annotation.*
+import java.lang.reflect.Method
+import kotlin.reflect.jvm.java
+import kotlin.test.assertEquals
+
+Retention(RetentionPolicy.RUNTIME)
+annotation class Ann(val x: String)
+
+fun testMethod(method: Method, name: String) {
+    assertEquals("OK", method.getAnnotation(javaClass<Ann>()).x, "On method of test named `$name`")
+
+    for ((index, annotations) in method.getParameterAnnotations().withIndex()) {
+        val ann = annotations.filterIsInstance<Ann>().single()
+        assertEquals("OK$index", ann.x, "On parameter $index of test named `$name`")
+    }
+}
+
+fun testClass(clazz: Class<*>, name: String) {
+    val invokes = clazz.getDeclaredMethods().single() { !it.isBridge() }
+    testMethod(invokes, name)
+}
+
+fun box(): String {
+    testClass(Test.apply(@Ann("OK") fun(){}), "1")
+
+    testClass(Test.applyABC(@Ann("OK") fun(@Ann("OK0") x: String, @Ann("OK1") y: String){}), "2")
+
+    return "OK"
+}