darwin-aarch64: external/cares build

Bug: 161939352
Change-Id: Ib95768e9a67eec154f33af2af6af5b59bff0b695
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 305dcae..7435819 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,5 +82,6 @@
 android_target_link_libraries(cares windows PRIVATE ws2_32::ws2_32)
 android_target_include_directories(cares linux-x86_64 PRIVATE config_linux)
 android_target_include_directories(cares linux-aarch64 PRIVATE config_linux)
+android_target_include_directories(cares darwin-aarch64 PRIVATE config_darwin)
 android_target_include_directories(cares darwin-x86_64 PRIVATE config_darwin)
 android_target_include_directories(cares windows PRIVATE config_windows)