Fix toString and hashCode for array members of data classes

Generate them as special intrinsics that would be mapped to proper
platform-specific calls by BEs.

 #KT-16945 Fixed

compiler/testData/ir/irText/classes/dataClassWithArrayMembers.kt

@@ -0,0 +1,19 @@
+data class Test1(
+        val stringArray: Array<String>,
+        val charArray: CharArray,
+        val booleanArray: BooleanArray,
+        val byteArray: ByteArray,
+        val shortArray: ShortArray,
+        val intArray: IntArray,
+        val longArray: LongArray,
+        val floatArray: FloatArray,
+        val doubleArray: DoubleArray
+)
+
+data class Test2<T>(
+        val genericArray: Array<T>
+)
+
+data class Test3(
+        val anyArrayN: Array<Any>?
+)