Uast: support 'override' modifier in Java and Kotlin

plugins/uast-java/src/org/jetbrains/uast/java/internal/javaInternalUastUtils.kt

@@ -27,6 +27,9 @@ private val MODIFIER_MAP = mapOf(
 )
 
 internal fun PsiModifierListOwner.hasModifier(modifier: UastModifier): Boolean {
+    if (modifier == UastModifier.OVERRIDE && this is PsiAnnotationOwner) {
+        return this.annotations.any { it.qualifiedName == "java.lang.Override" }
+    }
     val javaModifier = MODIFIER_MAP[modifier] ?: return false
     return hasModifierProperty(javaModifier)
 }