Use provider to get outpath in getRequiredMemberOutputFile.

Bug: 377723687
Test: Unit tests and compare the ninja and mk files generated.
Change-Id: Iae0d301db244f9543e4da2d6bae01b3320e3a9e4
diff --git a/cc/library_sdk_member.go b/cc/library_sdk_member.go
index d1440ea..4629030 100644
--- a/cc/library_sdk_member.go
+++ b/cc/library_sdk_member.go
@@ -573,9 +573,8 @@
 
 func getRequiredMemberOutputFile(ctx android.SdkMemberContext, ccModule *Module) android.Path {
 	var path android.Path
-	outputFile := ccModule.OutputFile()
-	if outputFile.Valid() {
-		path = outputFile.Path()
+	if info, ok := android.OtherModuleProvider(ctx.SdkModuleContext(), ccModule, LinkableInfoProvider); ok && info.OutputFile.Valid() {
+		path = info.OutputFile.Path()
 	} else {
 		ctx.SdkModuleContext().ModuleErrorf("member variant %s does not have a valid output file", ccModule)
 	}