Use LocaleList in Android/Webview locale representation

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 2866ea0358be520e8002590959d7be62b5d9059e..d54e35bd12470d854de17d58ffb464ab095e76c6 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -2353,6 +2353,9 @@ if (is_android) {
       "android/javatests/src/org/chromium/base/ApiCompatibilityUtilsTest.java",
       "android/javatests/src/org/chromium/base/CommandLineInitUtilTest.java",
       "android/javatests/src/org/chromium/base/CommandLineTest.java",
+
+      # TODO(nona): move to Junit once that is built for Android N.
+      "android/javatests/src/org/chromium/base/LocaleUtilsTest.java",
       "android/javatests/src/org/chromium/base/ObserverListTest.java",
       "android/javatests/src/org/chromium/base/metrics/RecordHistogramTest.java",
     ]
@@ -2415,7 +2418,6 @@ if (is_android) {
       "android/junit/src/org/chromium/base/LogTest.java",
       "android/junit/src/org/chromium/base/NonThreadSafeTest.java",
       "android/junit/src/org/chromium/base/PromiseTest.java",
-      "android/junit/src/org/chromium/base/LocaleUtilsTest.java",
       "test/android/junit/src/org/chromium/base/test/util/DisableIfTest.java",
       "test/android/junit/src/org/chromium/base/test/util/MinAndroidSdkLevelSkipCheckTest.java",
       "test/android/junit/src/org/chromium/base/test/util/RestrictionSkipCheckTest.java",