[Android] Incorporate findbugs into android builds.

build/config/android/config.gni

 # 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 contains common system config stuff for the Android build.
 
 if (is_android) {
   has_chrome_android_internal =
       exec_script("//build/dir_exists.py",
                   [ rebase_path("//clank", root_build_dir) ],
@@ skipping 26 matching lines @@
 
     android_default_keystore_path =
         "//build/android/ant/chromium-debug.keystore"
     android_default_keystore_name = "chromiumdebugkey"
     android_default_keystore_password = "chromium"
 
     # This is a unique identifier for a given build. It's used for
     # identifying various build artifacts corresponding to a particular build of
     # chrome (e.g. where to find archived symbols).
     android_chrome_build_id = "\"\""
+
+    # Set to true to run findbugs on JAR targets.
+    run_findbugs = false
   }
 
   # Host stuff -----------------------------------------------------------------
 
   # Defines the name the Android build gives to the current host CPU
   # architecture, which is different than the names GN uses.
   if (host_cpu == "x64") {
     android_host_arch = "x86_64"
   } else if (host_cpu == "x86") {
     android_host_arch = "x86"
@@ skipping 130 matching lines @@
   } else if (current_cpu == "mips64el") {
     android_app_abi = "mips64"
   } else {
     assert(false, "Unknown Android ABI: " + current_cpu)
   }
 } else {
   if (!defined(is_android_webview_build)) {
     is_android_webview_build = false
   }
 }