Inline content_[tests/browser/android].gypi into GN build.

content/browser/browser.gni

Index: content/browser/browser.gni
diff --git a/content/browser/browser.gni b/content/browser/browser.gni
deleted file mode 100644
index 925b71af3f5d5072c836af9c09b72f4059196c66..0000000000000000000000000000000000000000
--- a/content/browser/browser.gni
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright 2014 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.
-
-# This file defines the content browser gypi values. This file is read once and
-# cached, which is a performance optimization that allows us to share the
-# results of parsing the .gypi file between the public and private BUILD.gn
-# files. It also saves us from duplicating this exec_script call.
-content_browser_gypi_values =
-    exec_script("//build/gypi_to_gn.py",
-                [
-                  rebase_path("../content_browser.gypi"),
-                  "--replace=<(SHARED_INTERMEDIATE_DIR)=$root_gen_dir",
-                ],
-                "scope",
-                [ "../content_browser.gypi" ])