Allow to use emptyArray in annotation as argument

#KT-14236 Fixed

compiler/testData/codegen/box/defaultArguments/constructor/annotationWithEmptyArray.kt

@@ -0,0 +1,8 @@
+annotation class Anno(val x: Array<String> = emptyArray())
+
+@Anno fun test1() = 1
+@Anno(arrayOf("K")) fun test2() = 2
+
+fun box(): String {
+    return if (test1() + test2() == 3) "OK" else "Fail"
+}

compiler/testData/codegen/light-analysis/defaultArguments/constructor/annotationWithEmptyArray.txt

@@ -0,0 +1,12 @@
+@java.lang.annotation.Retention
+@kotlin.Metadata
+public annotation class Anno {
+    public abstract method x(): java.lang.String[]
+}
+
+@kotlin.Metadata
+public final class AnnotationWithEmptyArrayKt {
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    public final static @Anno method test1(): int
+    public final static @Anno method test2(): int
+}

compiler/testData/diagnostics/testsWithStdLib/annotations/annotationParameterMustBeConstant/simple.kt

@@ -19,6 +19,7 @@ val i2 = foo()
 
 fun foo(): Int = 1
 
+@AnnSA(emptyArray())
 class MyClass {
     val i = 1
 }

compiler/testData/diagnostics/testsWithStdLib/annotations/annotationParameterMustBeConstant/simple.txt

@@ -37,7 +37,7 @@ public final annotation class AnnSA : kotlin.Annotation {
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
-public final class MyClass {
+@AnnSA(sa = {}) public final class MyClass {
     public constructor MyClass()
     public final val i: kotlin.Int = 1
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean