Allow targets to use BuildConfig by simply depending on base_java

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index cd6316a76af9b11443332ce3f8efaa5c6cc813b6..30405feb32e325cadc5f5a0b8142f24da8bf4196 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -244,16 +244,12 @@ android_library("chrome_java") {
     ":chrome_android_java_google_api_keys_srcjar",
     ":chrome_version_srcjar",
     ":resource_id_javagen",
-    "//base:base_build_config_gen",
     "//chrome:content_setting_javagen",
     "//chrome:content_settings_type_javagen",
     "//chrome:data_use_ui_message_enum_javagen",
     "//chrome:signin_metrics_enum_javagen",
   ]
 
-  # New versions of BuildConfig.java will be created when creating an apk.
-  jar_excluded_patterns = [ "*/BuildConfig.class" ]
-
   # Manifest used for linting (determining unused resources).
   android_manifest = chrome_public_android_manifest