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

parent 550a1765

libvendorsupport/include_llndk/android/llndk-versioning.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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__