clang/arm: Push -no-integrated-as into the four targets that need it.

third_party/boringssl/BUILD.gn

Index: third_party/boringssl/BUILD.gn
diff --git a/third_party/boringssl/BUILD.gn b/third_party/boringssl/BUILD.gn
index f4114d9685ce0824ebba5dc60f52e523d2360cc7..706ce6a57da189f4ef181b7a3b107ccbe90a9089 100644
--- a/third_party/boringssl/BUILD.gn
+++ b/third_party/boringssl/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/android/config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 # Config for us and everybody else depending on BoringSSL.
@@ -67,6 +68,16 @@ component("boringssl") {
   # Also gets the include dirs from :openssl_config
   include_dirs = [ "src/include" ]
 
+  if (current_cpu == "arm" && is_clang) {
+    # TODO(hans) Enable integrated-as (crbug.com/124610).
+    rebased_android_toolchain_root =
+        rebase_path(android_toolchain_root, root_build_dir)
+    asmflags = [
+      "-fno-integrated-as",
+      "-B${rebased_android_toolchain_root}/bin",  # Else /usr/bin/as gets picked up.
+    ]
+  }
+
   if (is_msan) {
     defines += [ "OPENSSL_NO_ASM" ]
   } else if (current_cpu == "x64") {