Update core library proto files for update to date documentation.

.gitignore

@@ -1,2 +1,3 @@
 OWNERS
 README.google
+google/internal

google/protobuf/duration.proto

@@ -14,6 +14,7 @@
 
 syntax = "proto3";
 
+option javanano_use_deprecated_package = true;
 package google.protobuf;
 
 option java_generate_equals_and_hash = true;

google/protobuf/empty.proto

@@ -18,6 +18,7 @@ package google.protobuf;
 
 option java_multiple_files = true;
 option java_outer_classname = "EmptyProto";
+option javanano_use_deprecated_package = true;
 option java_package = "com.google.protobuf";
 
 

google/protobuf/field_mask.proto

@@ -18,6 +18,7 @@ package google.protobuf;
 
 option java_multiple_files = true;
 option java_outer_classname = "FieldMaskProto";
+option javanano_use_deprecated_package = true;
 option java_package = "com.google.protobuf";
 
 

google/protobuf/timestamp.proto

@@ -19,6 +19,7 @@ package google.protobuf;
 option java_generate_equals_and_hash = true;
 option java_multiple_files = true;
 option java_outer_classname = "TimestampProto";
+option javanano_use_deprecated_package = true;
 option java_package = "com.google.protobuf";
 
 

google/protobuf/type.proto

@@ -21,6 +21,7 @@ import "google/protobuf/source_context.proto";
 
 option java_multiple_files = true;
 option java_outer_classname = "TypeProto";
+option javanano_use_deprecated_package = true;
 option java_package = "com.google.protobuf";
 
 

google/rpc/code.proto

@@ -18,6 +18,7 @@ package google.rpc;
 
 option java_multiple_files = true;
 option java_outer_classname = "CodeProto";
+option javanano_use_deprecated_package = true;
 option java_package = "com.google.rpc";