Minor. Split BytecodeText tests about special builtin bridges

compiler/testData/codegen/bytecodeText/builtinFunctions/genericParameterBridge/nullableAnyMC.kt

@@ -0,0 +1,8 @@
+abstract class A8 : MutableCollection<Any?> {
+    override fun contains(o: Any?): Boolean {
+        throw UnsupportedOperationException()
+    }
+}
+
+// 1 bridge
+// 1 public final bridge size