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

chrome/android/chrome_public_apk_tmpl.gni

 # Copyright 2015 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.
 
 import("//base/android/linker/config.gni")
 import("//build/config/android/rules.gni")
+import("//build/config/compiler/compiler.gni")
 import("//chrome/common/features.gni")
 import("//third_party/leakcanary/config.gni")
 import("channel.gni")
 
 declare_args() {
   # Whether chrome_public_apk should use the crazy linker.
   chrome_public_apk_use_chromium_linker = chromium_linker_supported
 
   # Whether chrome_public_apk should use the relocation packer.
   chrome_public_apk_use_relocation_packer = chromium_linker_supported
@@ skipping 57 matching lines @@
         enable_relocation_packing = chrome_public_apk_use_relocation_packer
       }
     }
   }
 }
 
 template("monochrome_public_apk_tmpl") {
   chrome_public_apk_tmpl(target_name) {
     # Always build 64-bit //android_webview:monochrome because Chrome runs
     # in 32-bit mode.
-    if (android_64bit_target_cpu) {
+    if (is_target_cpu_64bit) {
       shared_libraries = [ "//android_webview:monochrome" ]
     } else {
       shared_libraries = [ "//chrome/android:monochrome" ]
     }
-    if (android_64bit_target_cpu && build_apk_secondary_abi) {
+    if (is_target_cpu_64bit && build_apk_secondary_abi) {
       secondary_abi_shared_libraries =
           [ "//chrome/android:monochrome_secondary_abi_lib" ]
     }
 
     alternative_android_sdk_jar = webview_framework_jar
     app_as_shared_lib = true
     use_chromium_linker = false
     requires_sdk_api_level_23 = true
     enable_relocation_packing = true
     extensions_to_not_compress = ".lpak,.pak,.bin,.dat"
@@ skipping 15 matching lines @@
     ]
 
     if (!is_java_debug) {
       if (!defined(proguard_configs)) {
         proguard_configs = []
       }
       proguard_configs += [ "//android_webview/apk/java/proguard.flags" ]
     }
   }
 }