libchrome: Export base/functional headers am: a78c30d256 am: 8ff21aa6e0 am: bd8fe4d975

Original change: https://android-review.googlesource.com/c/platform/external/libchrome/+/2424171

Change-Id: Ia33f1a593994cddc12349f7fdf81d26ca6c29eb7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index a97429f..82a7608 100644
--- a/Android.bp
+++ b/Android.bp
@@ -162,6 +162,10 @@
         "base/files/scoped_file.h",
         "base/files/scoped_temp_dir.h",
         "base/format_macros.h",
+        "base/functional/bind.h",
+        "base/functional/callback.h",
+        "base/functional/callback_forward.h",
+        "base/functional/callback_helpers.h",
         "base/gtest_prod_util.h",
         "base/guid.h",
         "base/hash.h",