[fixup] Adapt autofill component for WebEngine

Yet another build fix for race condition due to missing dep:

... autofill/core/browser/autofill_manager.cc:30:10:
fatal error: components/optimization_guide/machine_learning_tflite_buildflags.h: No such file or directory

Change-Id: I5e7bdd2c6b80e6c2d63603cb9bb77ebbab1e8fce
Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/600807
Reviewed-by: Michal Klocek <[email protected]>

Author: stampho

chromium/components/autofill/core/browser/BUILD.gn

@@ -879,6 +879,7 @@ jumbo_static_library("browser") {
       "//base:i18n",
       "//build:branding_buildflags",
       "//build:chromeos_buildflags",
+      "//components/optimization_guide:machine_learning_tflite_buildflags",
       "//components/pref_registry",
       "//components/prefs",
       "//ui/accessibility:accessibility",