Remove vndkVsNdk()

This commmit removes `vndkVsNdk()`, which is essentially
`!inList(ctx.baseModuleName(), llndkLibraries)`.

Test: lunch aosp_arm64_ab-userdebug && make
Change-Id: I8e2352f302df30057997944678f176f4550d3f75
diff --git a/cc/library.go b/cc/library.go
index 377be41..dcd9576 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -649,7 +649,8 @@
 		exportedHeaderFlags := strings.Join(SourceAbiFlags, " ")
 		library.sAbiOutputFile = TransformDumpToLinkedDump(ctx, objs.sAbiDumpFiles, soFile, fileName, exportedHeaderFlags)
 
-		refSourceDumpFile := android.PathForVndkRefAbiDump(ctx, vndkVersion, fileName, vndkVsNdk(ctx))
+		isLlndk := inList(ctx.baseModuleName(), llndkLibraries)
+		refSourceDumpFile := android.PathForVndkRefAbiDump(ctx, vndkVersion, fileName, isLlndk)
 		if refSourceDumpFile.Valid() {
 			unzippedRefDump := UnzipRefDump(ctx, refSourceDumpFile.Path(), fileName)
 			library.sAbiDiff = SourceAbiDiff(ctx, library.sAbiOutputFile.Path(),
@@ -658,13 +659,6 @@
 	}
 }
 
-func vndkVsNdk(ctx ModuleContext) bool {
-	if inList(ctx.baseModuleName(), llndkLibraries) {
-		return false
-	}
-	return true
-}
-
 func (library *libraryDecorator) link(ctx ModuleContext,
 	flags Flags, deps PathDeps, objs Objects) android.Path {