Fix the condition for LLNDK ABI diff

IsLlndk() returns whether the library is an LLNDK stub. The ABI check
should identify LLNDK implementation by isImplementationForLLNDKPublic().

Test: development/vndk/tools/header-checker/utils/create_reference_dumps.py \
      && make
Bug: 227282691
Change-Id: I570871e24d9029992a722b3052f8bb6e7f3c0f52
diff --git a/cc/library.go b/cc/library.go
index 41a68e3..65c6b6d 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -1910,26 +1910,28 @@
 
 		addLsdumpPath(classifySourceAbiDump(ctx) + ":" + library.sAbiOutputFile.String())
 
+		isNdk := ctx.isNdk(ctx.Config())
+		isLlndk := ctx.isImplementationForLLNDKPublic()
 		// If NDK or PLATFORM library, check against previous version ABI.
 		if !ctx.useVndk() {
 			prevRefAbiDumpFile := getRefAbiDumpFile(ctx, strconv.Itoa(prevVersion), fileName)
 			if prevRefAbiDumpFile != nil {
 				library.prevSAbiDiff = sourceAbiDiff(ctx, library.sAbiOutputFile.Path(),
-					prevRefAbiDumpFile, fileName, exportedHeaderFlags,
+					prevRefAbiDumpFile, fileName,
 					library.Properties.Header_abi_checker.Diff_flags, prevVersion,
 					Bool(library.Properties.Header_abi_checker.Check_all_apis),
-					ctx.IsLlndk(), ctx.isNdk(ctx.Config()), ctx.IsVndkExt(), true)
+					isLlndk || isNdk, ctx.IsVndkExt(), true)
 			}
 		}
 
 		refAbiDumpFile := getRefAbiDumpFile(ctx, version, fileName)
 		if refAbiDumpFile != nil {
 			library.sAbiDiff = sourceAbiDiff(ctx, library.sAbiOutputFile.Path(),
-				refAbiDumpFile, fileName, exportedHeaderFlags,
+				refAbiDumpFile, fileName,
 				library.Properties.Header_abi_checker.Diff_flags,
 				/* unused if not previousVersionDiff */ 0,
 				Bool(library.Properties.Header_abi_checker.Check_all_apis),
-				ctx.IsLlndk(), ctx.isNdk(ctx.Config()), ctx.IsVndkExt(), false)
+				isLlndk || isNdk, ctx.IsVndkExt(), false)
 		}
 	}
 }