Create usage_stats directory and OWNERS

Change-Id: Ic9bbedc769612b720ea6667a3736a29bc8b0c7c7
Reviewed-on: https://chromium-review.googlesource.com/c/1345412Reviewed-by: Filip Gorski <fgorski@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Patrick Noland <pnoland@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611200}

chrome/android/java/src/org/chromium/chrome/browser/usage_stats/OWNERS

+pnoland@chromium.org
+fgorski@chromium.org
+
+# COMPONENT: UI>Browser>UsageStats
\ No newline at end of file

chrome/android/java/src/org/chromium/chrome/browser/usage_stats/features.gni

+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/android/config.gni")
+
+declare_args() {
+  enable_usage_stats = android_sdk_version > 28
+}