[Chromecast] Use symbol_level=1 for 32-bit GCC toolchains.

android_webview/BUILD.gn

Index: android_webview/BUILD.gn
diff --git a/android_webview/BUILD.gn b/android_webview/BUILD.gn
index 1d91d4ec611b1feb2171731a34bd464440b96c76..cc920ac54cedec4d6c640f17bd7c67cb6b01f55b 100644
--- a/android_webview/BUILD.gn
+++ b/android_webview/BUILD.gn
@@ -6,6 +6,7 @@ import("//android_webview/system_webview_apk_tmpl.gni")
 import("//android_webview/webview_repack_locales.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
+import("//build/config/compiler/compiler.gni")
 import("//build/config/locales.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
 import("//tools/grit/repack.gni")
@@ -130,7 +131,7 @@ android_assets("monochrome_webview_assets") {
     "//third_party/icu:icu_assets",
     "//v8:v8_external_startup_data_assets",
   ]
-  if (android_64bit_target_cpu && build_apk_secondary_abi) {
+  if (is_target_cpu_64bit && build_apk_secondary_abi) {
     deps += [ ":v8_snapshot_secondary_abi_assets" ]
   }
 }
@@ -272,12 +273,11 @@ shared_library("libwebviewchromium") {
   configs -= [ "//build/config/android:hide_native_jni_exports" ]
 }
 
-if (android_64bit_target_cpu) {
+if (is_target_cpu_64bit) {
   android_assets("v8_snapshot_secondary_abi_assets") {
     _secondary_abi_out_dir =
         get_label_info("//v8($android_secondary_abi_toolchain)", "root_out_dir")
-    assert(android_64bit_target_cpu,
-           "32-bit targets shouldn't have secondary abi")
+    assert(is_target_cpu_64bit, "32-bit targets shouldn't have secondary abi")
     arch_suffix = "32"
     renaming_sources = [ "$_secondary_abi_out_dir/snapshot_blob.bin" ]
     renaming_destinations = [ "snapshot_blob_$arch_suffix.bin" ]