Make inline class wrapper constructor private

compiler/testData/codegen/bytecodeListing/inlineClasses/companionObjectInsideInlineClass.txt

@@ -13,7 +13,7 @@ public final class Foo {
     private final field x: int
     inner class Foo$Companion
     static method <clinit>(): void
-    public synthetic method <init>(p0: int): void
+    private synthetic method <init>(p0: int): void
     public final static @org.jetbrains.annotations.NotNull method box(p0: int): Foo
     public static method constructor(p0: int): int
     public static method equals(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): boolean

compiler/testData/codegen/bytecodeListing/inlineClasses/computablePropertiesInsideInlineClass.txt

@@ -1,7 +1,7 @@
 @kotlin.Metadata
 public final class Foo {
     private final field x: int
-    public synthetic method <init>(p0: int): void
+    private synthetic method <init>(p0: int): void
     public final static @org.jetbrains.annotations.NotNull method box(p0: int): Foo
     public static method constructor(p0: int): int
     public static method equals(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): boolean

compiler/testData/codegen/bytecodeListing/inlineClasses/inlineClassConstructors.txt

@@ -1,7 +1,7 @@
 @kotlin.Metadata
 public final class Foo {
     private final field x: int
-    public synthetic method <init>(p0: int): void
+    private synthetic method <init>(p0: int): void
     public final static @org.jetbrains.annotations.NotNull method box(p0: int): Foo
     public static method constructor(p0: int): int
     public static method constructor(p0: long): int

compiler/testData/codegen/bytecodeListing/inlineClasses/inlineClassWithEverything.txt

@@ -48,7 +48,7 @@ public interface IFoo {
 @kotlin.Metadata
 public final class Z {
     private final field x: int
-    public synthetic method <init>(p0: int): void
+    private synthetic method <init>(p0: int): void
     public final static @org.jetbrains.annotations.NotNull method box(p0: int): Z
     public static method constructor(p0: int): int
     public static method constructor(p0: long): int

compiler/testData/codegen/bytecodeListing/inlineClasses/noBridgesForErasedInlineClass.txt

@@ -6,7 +6,7 @@ public interface A {
 @kotlin.Metadata
 public final class Foo {
     private final field x: long
-    public synthetic method <init>(p0: long): void
+    private synthetic method <init>(p0: long): void
     public final static @org.jetbrains.annotations.NotNull method box(p0: long): Foo
     public static method constructor(p0: long): long
     public method equals(p0: java.lang.Object): boolean

compiler/testData/codegen/bytecodeListing/inlineClasses/shapeOfInlineClassWithPrimitive.txt

@@ -1,7 +1,7 @@
 @kotlin.Metadata
 public final class Foo {
     private final field l: long
-    public synthetic method <init>(p0: long): void
+    private synthetic method <init>(p0: long): void
     public final static @org.jetbrains.annotations.NotNull method box(p0: long): Foo
     public static method constructor(p0: long): long
     public final static method empty(p0: long): void