[Android] Simplify logic for grabbing initial country-code.

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 18f2b017d41e28d813cb294d93a9a3e268aa3769..303cd79d54b2034f221dbe2be6ada118200cbcc5 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -39,6 +39,8 @@ component("base") {
     "android/fifo_utils.h",
     "android/important_file_writer_android.cc",
     "android/important_file_writer_android.h",
+    "android/locale_utils.cc",
+    "android/locale_utils.h",
     "android/scoped_java_ref.cc",
     "android/scoped_java_ref.h",
     "android/jni_android.cc",
@@ -1396,6 +1398,7 @@ if (is_android) {
       "android/java/src/org/chromium/base/ImportantFileWriterAndroid.java",
       "android/java/src/org/chromium/base/JNIUtils.java",
       "android/java/src/org/chromium/base/library_loader/LibraryLoader.java",
+      "android/java/src/org/chromium/base/LocaleUtils.java",
       "android/java/src/org/chromium/base/MemoryPressureListener.java",
       "android/java/src/org/chromium/base/JavaHandlerThread.java",
       "android/java/src/org/chromium/base/PathService.java",