[android] Fix arm version default.

build/standalone.gypi

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 227 matching lines @@
             ['target_arch=="arm"', {
               'android_toolchain%': '<(android_ndk_root)/toolchains/arm-linux-androideabi-4.9/prebuilt/<(host_os)-<(android_host_arch)/bin',
               'android_target_arch%': 'arm',
               'android_target_platform%': '16',
               'arm_version%': 7,
             }],
             ['target_arch == "arm64"', {
               'android_toolchain%': '<(android_ndk_root)/toolchains/aarch64-linux-android-4.9/prebuilt/<(host_os)-<(android_host_arch)/bin',
               'android_target_arch%': 'arm64',
               'android_target_platform%': '21',
+              'arm_version%': 'default',
             }],
             ['target_arch == "mipsel"', {
               'android_toolchain%': '<(android_ndk_root)/toolchains/mipsel-linux-android-4.9/prebuilt/<(host_os)-<(android_host_arch)/bin',
               'android_target_arch%': 'mips',
               'android_target_platform%': '16',
             }],
             ['target_arch == "mips64el"', {
               'android_toolchain%': '<(android_ndk_root)/toolchains/mips64el-linux-android-4.9/prebuilt/<(host_os)-<(android_host_arch)/bin',
               'android_target_arch%': 'mips64',
               'android_target_platform%': '21',
@@ skipping 45 matching lines @@
       }],  # OS=="android"
       ['host_clang==1', {
         'host_cc': '../<(clang_dir)/bin/clang',
         'host_cxx': '../<(clang_dir)/bin/clang++',
       }, {
         'host_cc': '<!(which gcc)',
         'host_cxx': '<!(which g++)',
       }],
     ],
     # Default ARM variable settings.
-    'arm_version%': 'default',
     'arm_fpu%': 'vfpv3',
     'arm_float_abi%': 'default',
     'arm_thumb': 'default',
 
     # Default MIPS variable settings.
     'mips_arch_variant%': 'r2',
     # Possible values fp32, fp64, fpxx.
     # fp32 - 32 32-bit FPU registers are available, doubles are placed in
     #        register pairs.
     # fp64 - 32 64-bit FPU registers are available.
@@ skipping 714 matching lines @@
     ['use_goma==1 and ("<(GENERATOR)"=="ninja" or clang==1)', {
       'make_global_settings': [
        ['CC_wrapper', '<(gomadir)/gomacc'],
        ['CXX_wrapper', '<(gomadir)/gomacc'],
        ['CC.host_wrapper', '<(gomadir)/gomacc'],
        ['CXX.host_wrapper', '<(gomadir)/gomacc'],
       ],
     }],
   ],
 }