Merge "libbinder_ndk: V APIs are guarded with V" into main

#if defined(__ANDROID_VENDOR__)

#include <android/llndk-versioning.h>

#else  // __ANDROID_VENDOR__

#if defined(API_LEVEL_AT_LEAST)

// Redefine API_LEVEL_AT_LEAST here to replace the version to __ANDROID_API_FUTURE__ as a workaround

#undef API_LEVEL_AT_LEAST

#endif

// TODO(b/322384429) switch this __ANDROID_API_FUTURE__ to sdk_api_level when V is finalized

#if !defined(API_LEVEL_AT_LEAST)

#define API_LEVEL_AT_LEAST(sdk_api_level, vendor_api_level) \

    (__builtin_available(android __ANDROID_API_FUTURE__, *))

    (__builtin_available(android sdk_api_level, *))

#endif

#endif  // __ANDROID_VENDOR__

namespace aidl::android::os {