Avoid duplicated definition in llndk-versioning.h
Non-vendor modules may define llndk versioning macros manually. Avoid
redefining the macros if they are already defined outside of
llndk-versioning.h header.
Bug: 302113279
Test: m && m cts
Change-Id: Ibf984f2f2eed3594c824f2e97e17f2698e0515dd
diff --git a/libvendorsupport/include_llndk/android/llndk-versioning.h b/libvendorsupport/include_llndk/android/llndk-versioning.h
index 8ae56d4..58cd18d 100644
--- a/libvendorsupport/include_llndk/android/llndk-versioning.h
+++ b/libvendorsupport/include_llndk/android/llndk-versioning.h
@@ -48,7 +48,9 @@
// For non-vendor modules, API_LEVEL_AT_LEAST is replaced with __builtin_available(sdk_api_level) to
// guard the API for __INTRODUCED_IN.
+#if !defined(API_LEVEL_AT_LEAST)
#define API_LEVEL_AT_LEAST(sdk_api_level, vendor_api_level) \
(__builtin_available(android sdk_api_level, *))
+#endif
#endif // __ANDROID_VENDOR__