update aws-sdk to support new region

vendor/github.com/aws/aws-sdk-go/service/ec2/BUILD

@@ -21,6 +21,7 @@ go_library(
         "//vendor/github.com/aws/aws-sdk-go/aws/endpoints:go_default_library",
         "//vendor/github.com/aws/aws-sdk-go/aws/request:go_default_library",
         "//vendor/github.com/aws/aws-sdk-go/aws/signer/v4:go_default_library",
+        "//vendor/github.com/aws/aws-sdk-go/internal/sdkrand:go_default_library",
         "//vendor/github.com/aws/aws-sdk-go/private/protocol:go_default_library",
         "//vendor/github.com/aws/aws-sdk-go/private/protocol/ec2query:go_default_library",
     ],

vendor/github.com/aws/aws-sdk-go/service/ec2/customizations.go

@@ -5,11 +5,64 @@ import (
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awsutil"
+	"github.com/aws/aws-sdk-go/aws/client"
 	"github.com/aws/aws-sdk-go/aws/endpoints"
 	"github.com/aws/aws-sdk-go/aws/request"
+	"github.com/aws/aws-sdk-go/internal/sdkrand"
 )
 
+type retryer struct {
+	client.DefaultRetryer
+}
+
+func (d retryer) RetryRules(r *request.Request) time.Duration {
+	switch r.Operation.Name {
+	case opModifyNetworkInterfaceAttribute:
+		fallthrough
+	case opAssignPrivateIpAddresses:
+		return customRetryRule(r)
+	default:
+		return d.DefaultRetryer.RetryRules(r)
+	}
+}
+
+func customRetryRule(r *request.Request) time.Duration {
+	retryTimes := []time.Duration{
+		time.Second,
+		3 * time.Second,
+		5 * time.Second,
+	}
+
+	count := r.RetryCount
+	if count >= len(retryTimes) {
+		count = len(retryTimes) - 1
+	}
+
+	minTime := int(retryTimes[count])
+	return time.Duration(sdkrand.SeededRand.Intn(minTime) + minTime)
+}
+
+func setCustomRetryer(c *client.Client) {
+	maxRetries := aws.IntValue(c.Config.MaxRetries)
+	if c.Config.MaxRetries == nil || maxRetries == aws.UseServiceDefaultRetries {
+		maxRetries = 3
+	}
+
+	c.Retryer = retryer{
+		DefaultRetryer: client.DefaultRetryer{
+			NumMaxRetries: maxRetries,
+		},
+	}
+}
+
 func init() {
+	initClient = func(c *client.Client) {
+		if c.Config.Retryer == nil {
+			// Only override the retryer with a custom one if the config
+			// does not already contain a retryer
+			setCustomRetryer(c)
+		}
+	}
 	initRequest = func(r *request.Request) {
 		if r.Operation.Name == opCopySnapshot { // fill the PresignedURL parameter
 			r.Handlers.Build.PushFront(fillPresignedURL)

vendor/github.com/aws/aws-sdk-go/service/ec2/doc.go

@@ -4,9 +4,8 @@
 // requests to Amazon Elastic Compute Cloud.
 //
 // Amazon Elastic Compute Cloud (Amazon EC2) provides resizable computing capacity
-// in the Amazon Web Services (AWS) cloud. Using Amazon EC2 eliminates your
-// need to invest in hardware up front, so you can develop and deploy applications
-// faster.
+// in the AWS Cloud. Using Amazon EC2 eliminates the need to invest in hardware
+// up front, so you can develop and deploy applications faster.
 //
 // See https://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15 for more information on this service.
 //
@@ -15,7 +14,7 @@
 //
 // Using the Client
 //
-// To Amazon Elastic Compute Cloud with the SDK use the New function to create
+// To contact Amazon Elastic Compute Cloud with the SDK use the New function to create
 // a new service client. With that client you can make API requests to the service.
 // These clients are safe to use concurrently.
 //

vendor/github.com/aws/aws-sdk-go/service/ec2/service.go

@@ -29,8 +29,9 @@ var initRequest func(*request.Request)
 
 // Service information constants
 const (
-	ServiceName = "ec2"       // Service endpoint prefix API calls made to.
-	EndpointsID = ServiceName // Service ID for Regions and Endpoints metadata.
+	ServiceName = "ec2"       // Name of service.
+	EndpointsID = ServiceName // ID to lookup a service endpoint with.
+	ServiceID   = "EC2"       // ServiceID is a unique identifer of a specific service.
 )
 
 // New creates a new instance of the EC2 client with a session.
@@ -55,6 +56,7 @@ func newClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegio
 			cfg,
 			metadata.ClientInfo{
 				ServiceName:   ServiceName,
+				ServiceID:     ServiceID,
 				SigningName:   signingName,
 				SigningRegion: signingRegion,
 				Endpoint:      endpoint,