gn: Generalize process_version() and move it to build/util

chrome/android/BUILD.gn

 # 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
+import("//build/util/process_version.gni")
 import("//build_overrides/v8.gni")
 import("//chrome/android/chrome_public_apk_tmpl.gni")
 import("//chrome/common/features.gni")
-import("//chrome/version.gni")
+import("//chrome/process_version_rc_template.gni")  # For branding_file_path.
 import("//testing/test.gni")
 import("//third_party/icu/config.gni")
 import("//third_party/protobuf/proto_library.gni")
 import("channel.gni")
 import("java_sources.gni")
 
 manifest_package = "org.chromium.chrome"
 
 chrome_public_jinja_variables = default_chrome_public_jinja_variables +
                                 [ "manifest_package=$manifest_package" ]
@@ skipping 349 matching lines @@
     "//ui/android:ui_java",
     google_play_services_library,
   ]
   srcjar_deps = [ "//base:base_build_config_gen" ]
 }
 
 chrome_version_java_dir = "$root_gen_dir/templates/chrome_version_java"
 chrome_version_java_file = "$chrome_version_java_dir/org/chromium/chrome/browser/ChromeVersionConstants.java"
 process_version("chrome_version_java") {
   template_file = "java/ChromeVersionConstants.java.version"
+  sources = [
+    "//chrome/VERSION",
+    branding_file_path,
+  ]
   output = chrome_version_java_file
   extra_args = [
     "-e",
     "CHANNEL=str.upper('$android_channel')",
   ]
 }
 
 zip("chrome_version_srcjar") {
   inputs = [
     chrome_version_java_file,
@@ skipping 299 matching lines @@
 instrumentation_test_apk("chrome_sync_shell_test_apk") {
   apk_name = "ChromeSyncShellTest"
   apk_under_test = ":chrome_sync_shell_apk"
   android_manifest = chrome_sync_shell_test_apk_manifest
   android_manifest_dep = ":chrome_sync_shell_test_apk_manifest"
   deps = [
     ":chrome_sync_shell_test_apk_java",
   ]
   proguard_enabled = !is_java_debug
 }