properly read fields of array type from java bytecode

KT-1086

compiler/testData/readJavaBinaryClass/FieldOfArrayType.java

@@ -0,0 +1,5 @@
+package test;
+
+class FieldOfArrayType {
+    public java.io.File[] files;
+}

compiler/testData/readJavaBinaryClass/FieldOfArrayType.kt

@@ -0,0 +1,5 @@
+package test
+
+open class FieldOfArrayType() {
+    var files: Array<java.io.File?>? = null
+}