Clean up a workaround for product variants

LLNDK versioning for product variants is fixed. Clean up the
workaround code.
Also, use llndk-versioning.h for product variants.

Bug: 368559337
Test: abtd run without the workaround
Change-Id: I1381768b4571928206448faa4f9cb381ee54f054

Author: Justin Yun

libs/binder/ndk/include_cpp/android/binder_interface_utils.h

@@ -30,7 +30,7 @@
 #include <android/binder_auto_utils.h>
 #include <android/binder_ibinder.h>
 
-#if defined(__ANDROID_VENDOR__)
+#if defined(__ANDROID_VENDOR_API__)
 #include <android/llndk-versioning.h>
 #elif !defined(API_LEVEL_AT_LEAST)
 #if defined(__BIONIC__)
@@ -39,7 +39,7 @@
 #else
 #define API_LEVEL_AT_LEAST(sdk_api_level, vendor_api_level) (true)
 #endif  // __BIONIC__
-#endif  // __ANDROID_VENDOR__
+#endif  // __ANDROID_VENDOR_API__
 
 #if __has_include(<android/binder_shell.h>)
 #include <android/binder_shell.h>
@@ -297,9 +297,7 @@ AIBinder_Class* ICInterface::defineClass(const char* interfaceDescriptor,
     }
 #endif
 
-// TODO(b/368559337): fix versioning on product partition
-#if !defined(__ANDROID_PRODUCT__) && \
-        (defined(__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__) || __ANDROID_API__ >= 36)
+#if defined(__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__) || __ANDROID_API__ >= 36
     if API_LEVEL_AT_LEAST (36, 202504) {
         if (codeToFunction != nullptr) {
             AIBinder_Class_setTransactionCodeToFunctionNameMap(clazz, codeToFunction,

libs/binder/ndk/include_cpp/android/persistable_bundle_aidl.h

@@ -22,8 +22,8 @@
 #include <set>
 #include <sstream>
 
-// Include llndk-versioning.h only for vendor build as it is not available for NDK headers.
-#if defined(__ANDROID_VENDOR__)
+// Include llndk-versioning.h only for non-system build as it is not available for NDK headers.
+#if defined(__ANDROID_VENDOR_API__)
 #include <android/llndk-versioning.h>
 #elif !defined(API_LEVEL_AT_LEAST)
 #if defined(__BIONIC__)
@@ -32,7 +32,7 @@
 #else
 #define API_LEVEL_AT_LEAST(sdk_api_level, vendor_api_level) (true)
 #endif  // __BIONIC__
-#endif  // __ANDROID_VENDOR__
+#endif  // __ANDROID_VENDOR_API__
 
 namespace aidl::android::os {