Add unstrippedOutputFilePath to the linker interface

Test: m
Change-Id: I85a0cbda6ebb9838451ed8c607c2087460b7b742
diff --git a/cc/library.go b/cc/library.go
index c01b3e7..13acfae 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -740,6 +740,10 @@
 	return ret
 }
 
+func (library *libraryDecorator) unstrippedOutputFilePath() android.Path {
+	return library.unstrippedOutputFile
+}
+
 func getRefAbiDumpFile(ctx ModuleContext, vndkVersion, fileName string) android.Path {
 	isLlndk := inList(ctx.baseModuleName(), llndkLibraries) || inList(ctx.baseModuleName(), ndkMigratedLibs)