message: Fix BUILD.gn issues for Android & Fuschia
diff: @@ -16,8 +16,6 @@ import("//build_overrides/build.gni")
  import("../scripts/dawn_features.gni")
  import("../scripts/dawn_overrides_with_defaults.gni")
  -is_msvc = is_win && !is_clang
  -
  ###############################################################################
  # Third-party dependencies needed by libdawn_native
  ###############################################################################
  @@ -166,7 +164,7 @@ if (is_win || (is_linux && !is_chromeos) || is_mac) {
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [ "//build/config/compiler:no_chromium_code" ]
  - if (is_msvc) {
  + if (is_win && !is_clang) {
  # nonstandard extension, function/data pointer conversion in expression
  cflags_c = [ "/wd4152" ]
  } else {
  