Add tests for publicField

compiler/testData/asJava/lightClasses/nullabilityAnnotations/PublicField.java

@@ -0,0 +1,6 @@
+public final class C {
+    @kotlin.jvm.publicField
+    public final java.lang.String foo = "A";
+
+    public C() { /* compiled code */ }
+}

compiler/testData/asJava/lightClasses/nullabilityAnnotations/PublicField.kt

@@ -0,0 +1,5 @@
+// C
+
+class C {
+    @[kotlin.jvm.publicField] private val foo: String = "A"
+}