Kapt: Store line information in a file doc comment, instead of annotations (KT-21936)

plugins/kapt3/kapt3-compiler/testData/converter/abstractMethods.txt

@@ -1,16 +1,18 @@
+/**
+ * @KaptMetadata
+ */
+
+import java.lang.System;
+
 @kotlin.Metadata()
-@kapt.internal.KaptMetadata()
 public abstract class Base {
 
-    @kapt.internal.KaptSignature(value = "doJob(Ljava/lang/String;I)V")
     protected abstract void doJob(@org.jetbrains.annotations.NotNull()
     java.lang.String job, int delay);
 
-    @kapt.internal.KaptSignature(value = "doJobGeneric(Ljava/lang/CharSequence;I)V")
     protected abstract <T extends java.lang.CharSequence>void doJobGeneric(@org.jetbrains.annotations.NotNull()
     T job, int delay);
 
-    @kapt.internal.KaptSignature(value = "<init>()V")
     public Base() {
         super();
     }
@@ -18,43 +20,26 @@ public abstract class Base {
 
 ////////////////////
 
+/**
+ * @KaptMetadata
+ */
+
+import java.lang.System;
 
 @kotlin.Metadata()
-@kapt.internal.KaptMetadata()
 public final class Impl extends Base {
 
     @java.lang.Override()
-    @kapt.internal.KaptSignature(value = "doJob(Ljava/lang/String;I)V")
     protected void doJob(@org.jetbrains.annotations.NotNull()
     java.lang.String job, int delay) {
     }
 
     @java.lang.Override()
-    @kapt.internal.KaptSignature(value = "doJobGeneric(Ljava/lang/CharSequence;I)V")
     protected <T extends java.lang.CharSequence>void doJobGeneric(@org.jetbrains.annotations.NotNull()
     T job, int delay) {
     }
 
-    @kapt.internal.KaptSignature(value = "<init>()V")
     public Impl() {
         super();
     }
 }
-
-////////////////////
-
-package kapt.internal;
-
-public @interface KaptMetadata {
-
-    public java.lang.String value();
-}
-
-////////////////////
-
-package kapt.internal;
-
-public @interface KaptSignature {
-
-    public java.lang.String value();
-}