[fuchsia] Add dependency on core BUILD.gn targets

Change-Id: I6f94cd3f018e0618328a9c1da45df61d38f9c674
diff --git a/absl/BUILD.gn b/absl/BUILD.gn
index 57cc8f3..b40dc8a 100644
--- a/absl/BUILD.gn
+++ b/absl/BUILD.gn
@@ -12,6 +12,13 @@
   public_configs = [ "//third_party/abseil-cpp:abseil_config" ]
 
   public_deps = [
+    "//third_party/abseil-cpp/absl/base:core_headers",
+    "//third_party/abseil-cpp/absl/base:base",
+    "//third_party/abseil-cpp/absl/base:config",
+    "//third_party/abseil-cpp/absl/base:dynamic_annotations",
+    "//third_party/abseil-cpp/absl/base:endian",
+    "//third_party/abseil-cpp/absl/base:throw_delegate",
+    "//third_party/abseil-cpp/absl/base:bits",
     "//third_party/abseil-cpp/absl/flags",
     "//third_party/abseil-cpp/absl/strings",
     "//third_party/abseil-cpp/absl/utility",