Serialize value parameter indices on JVM

This will help to load annotations on value parameters

core/serialization.java/src/java_descriptors.proto

@@ -81,3 +81,8 @@ extend Callable {
   // 2) annotations on properties in traits are written to TImpl classes
   optional int32 impl_class_name = 102;
 }
+
+extend Callable.ValueParameter {
+  // Index of the corresponding parameter of this method in JVM (counting receiver parameters, enum constructor synthetic parameters, etc.)
+  optional int32 index = 100;
+}

core/serialization.java/src/org/jetbrains/jet/descriptors/serialization/JavaProtoBuf.java

@@ -10,6 +10,7 @@ public final class JavaProtoBuf {
     registry.add(org.jetbrains.jet.descriptors.serialization.JavaProtoBuf.methodSignature);
     registry.add(org.jetbrains.jet.descriptors.serialization.JavaProtoBuf.propertySignature);
     registry.add(org.jetbrains.jet.descriptors.serialization.JavaProtoBuf.implClassName);
+    registry.add(org.jetbrains.jet.descriptors.serialization.JavaProtoBuf.index);
   }
   public interface JavaTypeOrBuilder
       extends com.google.protobuf.MessageLiteOrBuilder {
@@ -2840,6 +2841,21 @@ public final class JavaProtoBuf {
         null,
         102,
         com.google.protobuf.WireFormat.FieldType.INT32);
+  public static final int INDEX_FIELD_NUMBER = 100;
+  /**
+   * <code>extend .org.jetbrains.jet.descriptors.serialization.Callable.ValueParameter { ... }</code>
+   */
+  public static final
+    com.google.protobuf.GeneratedMessageLite.GeneratedExtension<
+      org.jetbrains.jet.descriptors.serialization.ProtoBuf.Callable.ValueParameter,
+      java.lang.Integer> index = com.google.protobuf.GeneratedMessageLite
+          .newSingularGeneratedExtension(
+        org.jetbrains.jet.descriptors.serialization.ProtoBuf.Callable.ValueParameter.getDefaultInstance(),
+        0,
+        null,
+        null,
+        100,
+        com.google.protobuf.WireFormat.FieldType.INT32);
 
   static {
   }