internal/strconv: go fmt

Change-Id: I6a6a636ccd140dc5318f45bb2dc7236a5a43b1cf
Reviewed-on: https://go-review.googlesource.com/c/go/+/722523
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>

src/internal/strconv/atoc_test.go

@@ -5,9 +5,9 @@
 package strconv_test
 
 import (
+	. "internal/strconv"
 	"math"
 	"math/cmplx"
-	. "internal/strconv"
 	"testing"
 )
 

src/internal/strconv/atof_test.go

@@ -5,10 +5,10 @@
 package strconv_test
 
 import (
+	. "internal/strconv"
 	"math"
 	"math/rand"
 	"reflect"
-	. "internal/strconv"
 	"strings"
 	"sync"
 	"testing"

src/internal/strconv/atoi_test.go

@@ -6,8 +6,8 @@ package strconv_test
 
 import (
 	"fmt"
-	"reflect"
 	. "internal/strconv"
+	"reflect"
 	"testing"
 )