Update BUILD.gn and properly disable it on 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.
 
 # TODO(jochen): These will need to be user-settable to support standalone V8
 # builds.
 v8_compress_startup_data = "off"
 v8_deprecation_warnings = false
 v8_enable_disassembler = false
 v8_enable_gdbjit = false
@@ skipping 221 matching lines @@
     ":v8_base",
   ]
 
   sources = [
     "$target_gen_dir/libraries.cc",
     "$target_gen_dir/experimental-libraries.cc",
     "$target_gen_dir/trig-table.cc",
     "src/snapshot-empty.cc",
   ]
 
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":internal_config", ":features" ]
 }
 
 source_set("v8_base") {
   visibility = ":*"  # Only targets in this file can depend on this.
 
   sources = [
     "src/accessors.cc",
     "src/accessors.h",
     "src/allocation.cc",
@@ skipping 53 matching lines @@
     "src/cpu-profiler.h",
     "src/cpu.cc",
     "src/cpu.h",
     "src/data-flow.cc",
     "src/data-flow.h",
     "src/date.cc",
     "src/date.h",
     "src/dateparser-inl.h",
     "src/dateparser.cc",
     "src/dateparser.h",
-    "src/debug-agent.cc",
-    "src/debug-agent.h",
     "src/debug.cc",
     "src/debug.h",
     "src/deoptimizer.cc",
     "src/deoptimizer.h",
     "src/disasm.h",
     "src/disassembler.cc",
     "src/disassembler.h",
     "src/diy-fp.cc",
     "src/diy-fp.h",
     "src/double.h",
@@ skipping 167 matching lines @@
     "src/platform/elapsed-timer.h",
     "src/platform/time.cc",
     "src/platform/time.h",
     "src/platform.h",
     "src/platform/condition-variable.cc",
     "src/platform/condition-variable.h",
     "src/platform/mutex.cc",
     "src/platform/mutex.h",
     "src/platform/semaphore.cc",
     "src/platform/semaphore.h",
-    "src/platform/socket.cc",
-    "src/platform/socket.h",
     "src/preparse-data-format.h",
     "src/preparse-data.cc",
     "src/preparse-data.h",
     "src/preparser.cc",
     "src/preparser.h",
     "src/prettyprinter.cc",
     "src/prettyprinter.h",
     "src/profile-generator-inl.h",
     "src/profile-generator.cc",
     "src/profile-generator.h",
@@ skipping 189 matching lines @@
       "src/arm64/assembler-arm64.cc",
       "src/arm64/assembler-arm64.h",
       "src/arm64/assembler-arm64-inl.h",
       "src/arm64/builtins-arm64.cc",
       "src/arm64/codegen-arm64.cc",
       "src/arm64/codegen-arm64.h",
       "src/arm64/code-stubs-arm64.cc",
       "src/arm64/code-stubs-arm64.h",
       "src/arm64/constants-arm64.h",
       "src/arm64/cpu-arm64.cc",
-      "src/arm64/cpu-arm64.h",
       "src/arm64/debug-arm64.cc",
       "src/arm64/decoder-arm64.cc",
       "src/arm64/decoder-arm64.h",
       "src/arm64/decoder-arm64-inl.h",
       "src/arm64/deoptimizer-arm64.cc",
       "src/arm64/disasm-arm64.cc",
       "src/arm64/disasm-arm64.h",
       "src/arm64/frames-arm64.cc",
       "src/arm64/frames-arm64.h",
       "src/arm64/full-codegen-arm64.cc",
@@ skipping 47 matching lines @@
       "src/mips/lithium-mips.h",
       "src/mips/macro-assembler-mips.cc",
       "src/mips/macro-assembler-mips.h",
       "src/mips/regexp-macro-assembler-mips.cc",
       "src/mips/regexp-macro-assembler-mips.h",
       "src/mips/simulator-mips.cc",
       "src/mips/stub-cache-mips.cc",
     ]
   }
 
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":internal_config", ":features" ]
 
   defines = []
   deps = []
 
   if (is_posix) {
     sources += [
       "src/platform-posix.cc"
     ]
   }
@@ skipping 46 matching lines @@
   # TODO(brettw) icu_use_data_file_flag
 }
 
 ###############################################################################
 # Executables
 #
 
 # TODO(jochen): Remove this as soon as toolchain.gypi is integrated.
 if (build_cpu_arch != cpu_arch) {
 
-executable("mksnapshot") {
+source_set("mksnapshot") {
   sources = [
   ]
 }
 
 } else {
 
 executable("mksnapshot") {
   sources = [
     "src/mksnapshot.cc",
   ]
 
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":internal_config", ":features" ]
 
   deps = [
     ":v8_base",
     ":v8_nosnapshot",
   ]
 
   if (v8_compress_startup_data == "bz2") {
     libs = [ "bz2" ]
   }
 }
 
 }