all: Update protobuf package 1.0.0 -> 1.2.0 (#5452)

Also adds a few file global options to keep the generated code similar
to what we already had.

vendor/github.com/gogo/protobuf/vanity/test/faster/gogovanity.pb.go

@@ -1,15 +1,6 @@
 // Code generated by protoc-gen-gogo. DO NOT EDIT.
 // source: gogovanity.proto
 
-/*
-	Package vanity is a generated protocol buffer package.
-
-	It is generated from these files:
-		gogovanity.proto
-
-	It has these top-level messages:
-		B
-*/
 package vanity
 
 import proto "github.com/gogo/protobuf/proto"
@@ -36,10 +27,38 @@ type B struct {
 	Int32   *int32  `protobuf:"varint,3,opt,name=Int32,def=1234" json:"Int32,omitempty"`
 }
 
-func (m *B) Reset()                    { *m = B{} }
-func (m *B) String() string            { return proto.CompactTextString(m) }
-func (*B) ProtoMessage()               {}
-func (*B) Descriptor() ([]byte, []int) { return fileDescriptorGogovanity, []int{0} }
+func (m *B) Reset()         { *m = B{} }
+func (m *B) String() string { return proto.CompactTextString(m) }
+func (*B) ProtoMessage()    {}
+func (*B) Descriptor() ([]byte, []int) {
+	return fileDescriptor_gogovanity_5ec1359daac061c2, []int{0}
+}
+func (m *B) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *B) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_B.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalTo(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (dst *B) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_B.Merge(dst, src)
+}
+func (m *B) XXX_Size() int {
+	return m.Size()
+}
+func (m *B) XXX_DiscardUnknown() {
+	xxx_messageInfo_B.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_B proto.InternalMessageInfo
 
 const Default_B_Int32 int32 = 1234
 
@@ -109,6 +128,9 @@ func encodeVarintGogovanity(dAtA []byte, offset int, v uint64) int {
 	return offset + 1
 }
 func (m *B) Size() (n int) {
+	if m == nil {
+		return 0
+	}
 	var l int
 	_ = l
 	if m.String_ != nil {
@@ -359,10 +381,10 @@ var (
 	ErrIntOverflowGogovanity   = fmt.Errorf("proto: integer overflow")
 )
 
-func init() { proto.RegisterFile("gogovanity.proto", fileDescriptorGogovanity) }
+func init() { proto.RegisterFile("gogovanity.proto", fileDescriptor_gogovanity_5ec1359daac061c2) }
 
-var fileDescriptorGogovanity = []byte{
-	// 163 bytes of a gzipped FileDescriptorProto
+var fileDescriptor_gogovanity_5ec1359daac061c2 = []byte{
+	// 171 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x48, 0xcf, 0x4f, 0xcf,
 	0x2f, 0x4b, 0xcc, 0xcb, 0x2c, 0xa9, 0xd4, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0x83, 0xf0,
 	0xa4, 0x74, 0xd3, 0x33, 0x4b, 0x32, 0x4a, 0x93, 0xf4, 0x92, 0xf3, 0x73, 0xf5, 0x41, 0x8a, 0xf4,
@@ -371,7 +393,7 @@ var fileDescriptorGogovanity = []byte{
 	0x70, 0x3a, 0xb1, 0x9c, 0xb8, 0x27, 0xcf, 0x18, 0x04, 0x15, 0x13, 0x92, 0xe2, 0x62, 0xf5, 0xcc,
 	0x2b, 0x31, 0x33, 0x91, 0x60, 0x52, 0x60, 0xd4, 0x60, 0x06, 0x4b, 0x32, 0x04, 0x41, 0x84, 0xa0,
 	0x72, 0xc6, 0x46, 0x12, 0xcc, 0x0a, 0x8c, 0x1a, 0xac, 0x56, 0x2c, 0x86, 0x46, 0xc6, 0x26, 0x41,
-	0x10, 0x21, 0x27, 0x81, 0x13, 0x8f, 0xe4, 0x18, 0x2f, 0x3c, 0x92, 0x63, 0x7c, 0xf0, 0x48, 0x8e,
-	0x71, 0xc2, 0x63, 0x39, 0x06, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xfc, 0xde, 0x29, 0x72, 0xb6,
-	0x00, 0x00, 0x00,
+	0x10, 0x21, 0x27, 0x89, 0x13, 0x8f, 0xe4, 0x18, 0x2f, 0x3c, 0x92, 0x63, 0x7c, 0xf0, 0x48, 0x8e,
+	0x71, 0xc2, 0x63, 0x39, 0x86, 0x0b, 0x8f, 0xe5, 0x18, 0x6e, 0x3c, 0x96, 0x63, 0x00, 0x04, 0x00,
+	0x00, 0xff, 0xff, 0xbf, 0xbb, 0x2c, 0x28, 0xbe, 0x00, 0x00, 0x00,
 }