diff --git a/build/sdk.atree b/build/sdk.atree
index 7392707fc..e522e5de2 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -177,6 +177,8 @@ ${OUT_DIR}/target/common/obj/JAVA_LIBRARIES/android.test.runner.stubs_intermedia
 
 # the aidl precompiled include
 ${OUT_DIR}/target/common/obj/PACKAGING/framework.aidl                                        platforms/${PLATFORM_NAME}/framework.aidl
+# the libbinder_ndk C++ library files associated with the AIDL compiler
+frameworks/native/libs/binder/ndk/include_cpp/                                               platforms/${PLATFORM_NAME}/optional/libbinder_ndk_cpp/
 
 # emulator skins from sdk.git
 development/tools/emulator/skins/QVGA          platforms/${PLATFORM_NAME}/skins/QVGA