Value classes: Generate @JvmInline annotation for inline classes

but not for value classes.
Since inline classes and value classes share the same flag, we use
presence of the annotation to distinguish them.

compiler/testData/codegen/bytecodeListing/inlineClasses/stdlibManglingIn1430/new.txt

@@ -1,3 +1,4 @@
+@kotlin.jvm.JvmInline
 @kotlin.Metadata
 public final class test/IC {
     // source: 'new.kt'

compiler/testData/codegen/bytecodeListing/inlineClasses/stdlibManglingIn1430/old.txt

@@ -4,6 +4,7 @@ public final class kotlin/_2Kt {
     public final static method foo-wfSZ3cc(p0: int, p1: int): void
 }
 
+@kotlin.jvm.JvmInline
 @kotlin.Metadata
 public final class test/IC {
     // source: '1.kt'