Rename buildflag_headers for consistency

This updates printing.

Targets go from foo_features to foo_buildflags
And similarly the header now has buildflags in the name.

BUG=814485
TEST=covered by build

Change-Id: I455c5638ef9bcd98f669fc7117b4699a34292fd0
Reviewed-on: https://chromium-review.googlesource.com/988132
Reviewed-by: Daniel Cheng <[email protected]>
Commit-Queue: Scott Violet <[email protected]>
Cr-Commit-Position: refs/heads/master@{#547228}
diff --git a/chrome/browser/ui/browser_command_controller.cc b/chrome/browser/ui/browser_command_controller.cc
index 715dc6d..d37bb9e6 100644
--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
@@ -58,7 +58,7 @@
 #include "content/public/common/service_manager_connection.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/browser/extension_system.h"
-#include "printing/features/features.h"
+#include "printing/buildflags/buildflags.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 #if defined(OS_MACOSX)