Port android_must_copy_system_libraries logic GYP->GN

build/config/android/BUILD.gn

 # Copyright 2014 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("//build/config/android/config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/sysroot.gni")
 
 assert(is_android)
 
@@ skipping 127 matching lines @@
     "-isystem" +
         rebase_path("$android_ndk_root/sources/android/support/include",
                     root_build_dir),
   ]
 
   defines = [ "__GNU_SOURCE=1" ]  # Necessary for clone().
   ldflags = [ "-nostdlib" ]
   lib_dirs = [ "$android_libcpp_root/libs/$android_app_abi" ]
 
   # The libc++ runtime library (must come first).
-  if (is_component_build) {
+  # ASan needs to dynamically link to libc++ even in static builds so
+  # that it can interpose operator new.
+  if (is_component_build || is_asan) {
     libs = [ "c++_shared" ]
   } else {
     libs = [ "c++_static" ]
   }
 
   # libgcc must come before libdl for ld.bfd (MIPS)
   if (current_cpu == "mipsel") {
     libs += [
       # ld linker is used for mips Android, and ld does not accept library
       # absolute path prefixed by "-l"; Since libgcc does not exist in mips
@@ skipping 72 matching lines @@
 
     # Avoid errors with current NDK:
     # "third_party/android_tools/ndk/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.6/include/arm_neon.h:3426:3: error: argument must be a constant"
     "-finstrument-functions-exclude-file-list=arm_neon.h,SaturatedArithmeticARM.h",
   ]
   defines = [ "CYGPROFILE_INSTRUMENTATION=1" ]
 }
 
 config("no_cygprofile_instrumentation") {
 }